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 be at your service today? 
 customer: I have to attend a Live Concert at Seattle, could you please help me with booking a flight ticket from HOU to SEA? 
 agent: Sure, I will help you in booking the ticket. May I know your travelling dates please? 
 customer: I would like to depart on Apr 4th and return on Apr 6th. 
 agent: Do you have any other specifications? 
 customer: I am looking for a connecting flight. 
 agent: Please help me with your name for booking. 
 customer: I am Nancy Scott. 
 agent: Sorry for this inconvenience, I could not find any flight with your requirements. 
 customer: Ok, not an issue. 
 agent: Thank you for reaching us. 
 customer: Anyways, thank you for the information.

A: no_flight
****
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 aid you today? 
 customer: Can you find me a flight from DEN to PHL? 
 agent: Sure, let me know your planned journey dates? 
 customer: I will fly on Dec 02 and return on Dec 04. 
 agent: Do you have any connection limit? 
 customer: I prefer a connecting flight. 
 agent: Is there any other specifications? 
 customer: I want my depart flight in morning. 
 agent: Can I know your good name? 
 customer: My name is Mark Jackson. 
 agent: Thanks for your details, there is no flight found on your desired journey locations. 
 customer: Ok, thank you for the information. 
 agent: Thank you.

A:
no_flight
****