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

[EX Q]: customer: Hello.
agent: Hello, how may I help you?
customer: I have to change my reservation due to my planned trip got postponed. So please help me with that.
agent: Sure, please share your good name?
customer: Thank you. Please check the reservation with my name Thomas Taylor.
agent: Please wait for a while.
customer: Sure, take your time.
agent: Sorry, no reservation found on your given name.
customer: Oh! It may not be booked properly. Anyway, thank you for your time.
agent: Thank you for choosing us.
customer: Most welcome.
[EX A]: no_reservation

[EX Q]: customer: Hi.
agent: Hello, how may I aid you at this moment?
customer: I would like to change my existing reservation, can you please help me in changing?
agent: Sure, we are here to help you. May I know your good name?
customer: Anthony Thomas.
agent: Ok, please wait for a minute.
customer: Sure.
agent: Thanks for waiting, there is no active reservation found on your name.
customer: Ok, not an issue. Thank you.
agent: Thank you for choosing us.
[EX A]: no_reservation

[EX Q]: customer: Hi,.
agent: Hello. How can I assist you?
customer: I am planning to celebrate and attend my mother's birthday in Seattle, from CA - SFO. Can you book a flight ticket to me?
agent: Ya sure. Please share your traveling details.
customer: I need a connecting flight. My destination code is to WA - SEA.
agent: Your traveling dates?
customer: My travelling dates are from 03/10 to 03/12.
agent: Give me a moment.
customer: Ok.
agent: We found a flight with your requirements. Airline:Southwest. Flight number:1013. Price:200. And with a single connection.
customer: You may proceed with the booking. I am Christopher King.
agent: OK. Your flight ticket is booked.
customer: Thanks for the help.
agent: Thank you for reaching ours.
[EX A]:
book