In this task, you are given a conversation between a flight agent and the customer. You are given 4 options and you need to select the goal of the conversation. It is provided as part of customer's context, which has to be one of the following: `book`: Make a new reservation, `cancel`: Cancel an existing reservation, `no_flight`: No flight found for the customer's preference, `no_reservation`: No reservation / No change / No cancellation was made in the conversation, mostly enquiring details
--------
Question: customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: Myself Janet Perez. Due to some problems I am unable to travel in flight so can you please cancel my flight ticket? 
 agent: Sure, we are here to help you. Wait for some time. 
 customer: Ok, thank you for your positive response. 
 agent: Thanks for waiting there is no reservation found on your name. 
 customer: Oh! It's ok no problem. Thank you for your information. 
 agent: Thanks for approaching us.

Answer: no_reservation


Question: customer: Hello. 
 agent: Hello. 
 customer: Myself Angela Wright from Austin. 
 agent: What kind of assistance are you looking from our agency? 
 customer:  I would like to visit San Francisco for my business conference, can you please help me out with booking of a flight ticket to go there in the 11th month? 
 agent: Sure, I am mirthful to help you. 
 customer: Thank you for accepting my request. 
 agent: Please provide your preferable origin and destination airport codes for booking. 
 customer: I would like to fly from AUS airport and destination airport is SFO because these two airports are very convenient for me to travel. 
 agent: May I know your departure and return dates of travelling? 
 customer: Sorry I changed my traveling month, please find a flight in the 10th month, that is 10/06 to 10/08. 
 agent: Please wait a moment to check the flights availability in your planned route and I will revert back with a best flight for you. 
 customer: Ok, take your time. 
 agent: When I have checked with your details, there are no flights moving to your region because all the flights are busy in your route due to heavy crowd. 
 customer: Oh! It's ok no problem, I will go with another airline service. 
 agent: It's alright. 
 customer: Thank you for your information. 
 agent: Thank you for reaching us, have a great day.

Answer: no_flight


Question: customer: Hello. 
 agent: Hello, how can I aid you? 
 customer: I am Jennifer Clark. I need to reach San Francisco to attend a party meeting. Can you book me a ticket from JFK to SFO? 
 agent: Sure, we are willing to help you. May I know your connection preference? 
 customer: I need a single lay by. 
 agent: Ok, what are your planned dates to travel? 
 customer: I would start on 06/30 and return on 07/02. 
 agent: Ok, let me check the availability of flights on your route. 
 customer: Ok. 
 agent: Jennifer Clark, we found a connecting flight in UA airline at a price of 100 in economy class and flight number is 1018. 
 customer: Fine, please proceed. 
 agent: Shall I proceed? 
 customer: Yes. 
 agent: Your booking was done. 
 customer: Thanks for your support. 
 agent: Thank you for choosing us.

Answer:
book