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, 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 may I assist you? 
 customer: I am Edward Hernandez, I am willing to have a trip in the month of December in Orlando city for two days. Can you help me with my flight ticket booking from Boston? 
 agent: Sure, may I know your planned travel dates please? 
 customer: Thank you for reacting positively, my planned travel dates are 12/02 and 12/04. 
 agent: Can you please share your source and destination airport codes? 
 customer: Sure, my nearest airports as my source and destination are BOS and MCO respectively. 
 agent: There is a flight available on your requested dates from Frontier airlines with 1 connecting flight.Shall I confirm your booking? 
 customer: You may confirm my reservation with this flight. 
 agent: Your ticket is booked with flight 1002. 
 customer: Thank you for our quick response. 
 agent: You are welcome.

A: book
****
Q: customer: Hello. 
 agent: Hello. 
 customer: I am James White. 
 agent: I hope you are fine, how can I help you now? 
 customer: I am looking for a flight with connection 1.Can you help me out to book a ticket? 
 agent: Sure, I will help you with that. May I the preferable dates of your journey? 
 customer: I would like to travel on 01/16 and return date is 01/18. 
 agent: Ok, can you please mention the take off and landing airport codes? 
 customer: I want to travel from MSP to MSP. 
 agent: Please wait for a moment, I will check the details and get back to you. 
 customer: Sure, but try to find a best flight for me. 
 agent: Thank you for waiting, there is a flight 1006 in Delta airline has the price 100.Can I proceed with this booking? 
 customer: Yes, please proceed the booking. 
 agent: Your ticket has been booked, have a safe journey. 
 customer: That's great. Thank you for your service. 
 agent: You are welcome. Thank you for approaching us.

A:
book
****