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,. I am Susan Gonzalez. 
 agent: Hello, how can I help you? 
 customer: I need to book a flight ticket from Seattle to meet my grandparents after a long time in Washington. Can you please help me in booking? 
 agent: Sure, may I know your planned travel dates? 
 customer: My depart is on 03/17 and arrival on 03/19. 
 agent: Please share me your source and destination codes. 
 customer: My source code is WA-SEA and destination code is DC-IAD. 
 agent: May I know your price limit? 
 customer: I can spend up to 5000. 
 agent: Please wait for a moment. 
 customer: Ok. 
 agent: Thanks for waiting, sorry to say that, no flights were found with your details. 
 customer: Ok, no issue. 
 agent: Thank you for opting us. 
 customer: Thank you for your support.
answer:
no_flight


question:
customer: Hello. 
 agent: Hello. How best can I serve you today? 
 customer: I would like to change my reservation due to some health issues, can you please help me out with that? 
 agent: Sure, I am here to help you with that. 
 customer: Thank you. 
 agent: For changing your reservation, we need to know your name to check your reservation status. So, please forward me your name. 
 customer: Jacob Smith here. 
 agent: Ok, please wait for a moment. 
 customer: Sure. 
 agent: Sorry to inform you that, we have not found any active reservation on your name in our records. 
 customer: That's ok, no problem. Anyway thank you for checking out. 
 agent: Thank you for reaching us.
answer:
no_reservation


question:
customer: Hi. 
 agent: Hello, how can I help you? 
 customer: I am Andrew Carter, want to travel from HOU to DFW. Please help me in booking my ticket. 
 agent: Sure, may I know your trip dates? 
 customer: My trip dates are from 06/01 to 06/03. 
 agent: Sorry, there is no flight on your requested travelling dates. 
 customer: It's ok, thank you. 
 agent: You are welcome.
answer:
no_flight