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 can I help you? 
 customer: I am Betty Williams, help me to book a flight ticket on 08/18 to meet my step father at Philadelphia. Can you book a return ticket on 08/20? 
 agent: Sues, may I know your price limit for this journey? 
 customer: My budget is 5000 for flight ticket. 
 agent: Ok, please provide me your airport codes. 
 customer: I will fly from Orlando, FL-MCO to PA-PHL. 
 agent: Ok, let me check the availability on your route. 
 customer: Sure. 
 agent: Betty, Frontier airline is available with price 100 with single connection. Shall I proceed? 
 customer: Sure. 
 agent: Reservation has been done in 1028 flight. 
 customer: Thank you for helping me with booking. 
 agent: Thank you for opting us.
[A]: book


[Q]: customer: Hello, my name is Katherine Miller. 
 agent: Hello, Katherine Miller. How can I assist you? 
 customer: I am planning to spend my vacation holidays with my brother, so I need to make a flight reservation. 
 agent: OK, what is your exact destination and when do you want to go? 
 customer: My destination airport is PA-PHL, and my travelling dates are departure on 03/20 and arrival on 03/22. 
 agent: Let me know your source point. 
 customer: My source airport is San Francisco, CA-SFO. 
 agent: Sorry to inform, no flights are found regarding to your specifications. 
 customer: That's not a problem, thanks for your information. 
 agent: Thanks for choosing us. Have a great day.
[A]: no_flight


[Q]: customer: Hello. 
 agent: Hello. How may I help you? 
 customer: Would you please help me in booking a ticket from DFW to ATL.  Where I am going  to meet my college mates. 
 agent: Yes, can you tell me your dates of travel? 
 customer: My itinerary travel dates are as follows Nov 18 and Nov 20. 
 agent: Do you have any preferences? 
 customer: I would like to board a single connecting flight where the class should be of business. 
 agent: Give me a moment. 
 customer: And depart time should be in the afternoon. 
 agent: Sorry to inform you that there are no flights found on your requested dates. 
 customer: No issue, thank you for the information. 
 agent: Can I know your name? 
 customer: Jennifer Smith. 
 agent: Thank you for contacting us.
[A]:
no_flight