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: Hello. 
 agent: Hello. 
 customer: I am Barbara Green. 
 agent: How can I assist you? 
 customer: I am very interested in Hiking and cycling. So, I am willing to visit Hiking and cycling at Bear Mountains. Can you please help me to reserve a flight ticket for me from PHX to LAX? 
 agent: Sure, may I know your preferred journey dates? 
 customer: Sure, I have planned my journey dates on 02/03 and I will catch the return flight on 02/05. 
 agent: Please give me a minute. 
 customer: Sure, take your own time. 
 agent: I found a flight for you in UA airlines with price 200. Shall I book the ticket for you? 
 customer: I am ok with the flight that you have provided to my journey. Continue with flight ticket booking. 
 agent: Your ticket is confirmed and the flight number is 1002. 
 customer: Thank you for your help in my flight ticket booking. 
 agent: Thank you for contacting us, have a safe journey. 
 customer: You are welcome.
answer:
book


question:
customer: Hello. 
 agent: Hello, how may I help you? 
 customer: Can you help me to book a flight ticket from DFW to JFK? 
 agent: Sure, could you please provide your travelling dates to search for the flight? 
 customer: Ok, my dates are Oct 4th and 6th respectively. 
 agent: May I know your preferable depart and return journey timings? 
 customer: No specifications regarding the flight timings. 
 agent: Do you have any class preferences? 
 customer: Ok, please book a economy class flight. 
 agent: There is a connecting flight 1017 of Southwest airlines, can I proceed? 
 customer: Ok, please book a ticket on the name Angela Johnson. 
 agent: Ok, your booking is done. Thank you for choosing us, have a happy journey. 
 customer: That is good, thank you for assisting me.
answer:
book


question:
customer: Hello. My name is Anna Robinson. 
 agent: Hello Anna, how can I help you today? 
 customer: I would like to travel from PHL to PHX to meet my friend. Can you help me for booking a flight ticket? 
 agent: Sure, I will help you in booking. please share your travel dates too. 
 customer: My travelling dates are 01/16 and 01/18. 
 agent: Please wait a moment. 
 customer: Ok, take your time. 
 agent: Sorry, no flights are available on your route. 
 customer: That's ok, thank you for your information. 
 agent: Welcome, have a nice day. Thank you for availing us.
answer:
no_flight