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

Q: customer: Hello. 
 agent: Hello. What can I do for you today? 
 customer: I have to change my reservation details as I have given some wrong airport codes and dates. So please help me with changing my reservation. 
 agent: Ok, may I know your name to check with your existing reservation? 
 customer: Sure, myself James Martinez. 
 agent: Ok, please wait for a moment till I check with it. 
 customer: Sure, take your time to check the reservation status. 
 agent: James Martinez, there is no reservation found by your name. Sorry for the inconvenience. 
 customer: Oh! May be booking has not done properly. 
 agent: Thank you for consulting with our agency, have a nice day. 
 customer: Anyway, thank you for your time.

A: no_reservation
****
Q: customer: Hello. 
 agent: Hello. How can I assist you today? 
 customer: I have a meeting with foreign delegates at San Francisco. Can you help me in booking a ticket? 
 agent: Sure, please share your airport codes. 
 customer: The airport codes are EWR and SFO respectively. 
 agent: On which dates do you want to travel? 
 customer: I am planning my journey on dates 02/26 and 02/28. 
 agent: Please may I know your name? 
 customer: My name is Samuel Moore. 
 agent: Flight 1022 of AA airline  available for you on your route with 1 connection. 
 customer: Please book the ticket. 
 agent: Your ticket is confirmed successfully. 
 customer: Thank you for your assistance. 
 agent: Thank you for choosing us, have a good day.

A: book
****
Q: customer: Hi. 
 agent: Hello. Could you please let me know what help do you need? 
 customer: I want to fly from DCA to JFK. Can you check the flight availability on that route? 
 agent: Sure, I am happy to help you with that. Can I know your travel dates? 
 customer: Sure, my travel dates are 07/27 and 07/29. 
 agent: Ok, please share your preference about the connection limit. 
 customer: I want a flight with single connection. 
 agent: Ok, please tell me your other specifications. 
 customer: No more, thank you. 
 agent: On which name do you want me to reserve the ticket? 
 customer: Sure, Samuel Johnson  name only. 
 agent: The Southwest airlines is providing the service in this route which is having a single connecting flight with the ticket fare of 100. Shall I reserve a flight ticket in an economy class? 
 customer: Yes, you can proceed with that booking. 
 agent: I have booked your ticket with the flight-1009 and this flight departs at 18:00 hours and returns at 09:00 hours. Have a nice journey. 
 customer: Thank you for the booking. 
 agent: Thank you for choosing our agency.

A:
book
****