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. 
 customer: I am Ashley smith. 
 agent: How can I help you from flight booking agency? 
 customer: I am planning to go for bussiness trip to Minneapolis. Can you please book me a flight ticket? 
 agent: Sure, can you please share your travelling airport codes? 
 customer: My travelling departure and arrival airport codes from SEA to MSP. 
 agent: May I know your preferable journey dates to proceed further? 
 customer: My travellling dates are 03/19 and 03/21. 
 agent: Wait a moment please, let me check the flights availability on this route. 
 customer: Ok. 
 agent: AA airlines is providing the service on this route with 1 connection limit, shall I book your ticket? 
 customer: Sure, you can book the ticket for this flight. 
 agent: Ashley smith, your ticket is confirmed successfully with flight number 1018. 
 customer: Thank you for your valuable services. 
 agent: Thank you for choosing our services, have a safe journey. 
 customer: Most welcome.

A: book
****
Q: customer: Hello, I am Jason Hill. 
 agent: Hello. How can I serve you? 
 customer: I want to visit Fenway Park at Boston, MA - BOS, can you help me in booking a ticket from Houston, TX - IAH? 
 agent: Sure, I will help you out. May I know your travelling dates? 
 customer: My travelling dates are from 10/15 to 10/17. 
 agent: Do you need any connection limit? 
 customer: Yes, I need a lay by. 
 agent: Give me a minute. 
 customer: Sure. 
 agent: Thanks for your time. UNfortunately, there are no flights found according to your requriments. 
 customer: Ok, no issues. Thank you for your information. 
 agent: Thanks for choosing us.

A: no_flight
****
Q: customer: Hello. 
 agent: Hello, how can I assist you? 
 customer: I am Angela Garcia. Could you help me to make a reservation from Houston, IAH to New York, LGA? 
 agent: Sure, please share your travelling dates. 
 customer: My travel dates are on 02/06 and 02/08. 
 agent: Let me know your specifications. 
 customer: I need a halt in between journey. 
 agent: Unfortunately, there are no flights available based on your details. 
 customer: Ok, not a problem. Thank you. 
 agent: Thank you for choosing us.

A:
no_flight
****