instruction:
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: Hi. 
 agent: Hello, how may I support you? 
 customer: I need to amend my reservation as I have changed my schedule to some other day. Can you support me in changing my reservation? 
 agent: Sure, we are happy to help you. Can I have your good name? 
 customer: Thank you for considering my request, my name is Betty Hall. 
 agent: Sorry, we did not find any active reservation on your name in our records. 
 customer: Not a problem, anyways thank you for the information. 
 agent: Thank you for contacting us.
answer:
no_reservation


question:
customer: Hello, I am Paul Gonzalez. 
 agent: Hello, in what way I can be at your service? 
 customer: I want to meet my old collage friends at Boston, can you please book me a ticket? 
 agent: Sure, can I have your airport codes? 
 customer: My airport codes are from IAH to BOS. 
 agent: Ok, when are you planning to travel? 
 customer: I would like to leave between 07/14 and 07/16. 
 agent: Do you have any other preferences? 
 customer: I need a connecting flight. 
 agent: Sorry to inform you Paul Gonzalez, no airline is providing service on your route. 
 customer: Ok, no problem. Thank you. 
 agent: Thank you for choosing our service.
answer:
no_flight


question:
customer: Hello. 
 agent: Hello. How may I assist you today? 
 customer:  I am Christine Smith want to travel to DC-IAD to meet my friends from CA-LAX. Can you book a connecting flight? 
 agent: Sure, I am here to help you but I need your travel dates to search available flights for you. 
 customer: My travel dates are 08/10 and 0812. 
 agent: Please wait for a minute, let me check. 
 customer:  Ok. 
 agent: Based on your request there is a flight with airline AA and price is 100. Shall I proceed? 
 customer: Ok, you can confirm my booking. 
 agent: Your ticket has been booked with your name and flight-1002. 
 customer: Thank you for booking. 
 agent: It's my pleasure, have a great journey.
answer:
book