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, Benjamin Hill here.
agent: Hello. Hill, how can I assist you?
customer: I want to meet my business partner in casino, could you book my ticket from SEA to LAS?
agent: Please provide me your travel dates for further process.
customer: My trip dates are 11/29 and 12/01.
agent: Please wait.
customer: Sure.
agent: Sorry, no flight is available for you.
customer: It's ok, thank you.
agent: You are welcome.
[EX A]: no_flight

[EX Q]: customer: Hello.
agent: Hello, how may I aid you today from my end?
customer: My name is Brandon Moore. I would like to book a ticket from HOU to LAX.
agent: Sure, I am here to help you out. Please provide me your trip dates.
customer: My travel dates are Aug 08 and Aug 10.
agent: Do you have any requirement?
customer: I would like to travel by single connection flight and depart time should be in the evening.
agent: Sorry Brandon Moore, there is no flight to reserve a seat for you.
customer: No problem, thank you for the information.
agent: Thank you for reaching us.
[EX A]: no_flight

[EX Q]: customer: Hello.
agent: Hello. How can I help you today?
customer: I would like to change my reservation due to my planned programme got shifted to another dates.
agent: Ok.
customer: Will you please help me with changing the reservation?
agent: Sure, may I know your name for changing?
customer: Sure, please check the reservation with name of Richard Campbell.
agent: Sorry Campbell, I did not find any reservations with your name.
customer: Oh! May be I am wrong with booking.
agent: Thank you for reaching us.
customer: Anyway, thank you for your time.
agent: Have a good day.
[EX A]:
no_reservation