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. How may I assist you at this moment? 
 customer: Myself Sandra Phillips. Can you please book a flight ticket from SFO to LGA? 
 agent: Sure, may I know your planned dates of travelling? 
 customer: Sure, I need to travel on dates of 04/05 and 04/07. 
 agent: Please wait a moment to check the flights availability. 
 customer: Sure, take your time. 
 agent: Sorry to inform you that, there are no flights moving to your region with your planned dates of travelling. 
 customer: Oh! It is sad to hear. Anyway, I will go  with another agency this time. 
 agent: Thank you for approaching us, have a great day. 
 customer: Thank you for your time. 
 agent: Welcome.
[A]: no_flight


[Q]: customer: Hello, I am Jerry Robinson. 
 agent: Hello Jerry. How can I assist you? 
 customer: I would like to cancel my recent reservation due to postpone of my conference at Denver. Could you please help me with the cancellation? 
 agent: Sure, please give me a minute. 
 customer: Sur. 
 agent: Jerry, there is no reservation available on your name. 
 customer: That's fine, thank you for the information. 
 agent: You are welcome.
[A]: no_reservation


[Q]: customer: Hello. 
 agent: Hello. 
 customer: I am Ashley Brown. 
 agent: How may I best help you today? 
 customer: I would like to attend a event in Seattle with my family. Could you please help me to book a ticket from IAH to SEA? 
 agent: Sure, I will help you. To check the flight availability we need your scheduled dates, can you please share me your preferable dates? 
 customer: My travelling dates will be on 10/17 to 10/19. 
 agent: Do you prefer connecting flight or direct flight? 
 customer: I need a connecting flight. 
 agent: We found a direct flight but there is no connecting flight. 
 customer: Ok, not an issue. Thank you. 
 agent: Thank you for communicating us.
[A]:
no_flight