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 oblige you today? 
 customer: My name is Helen Young, I want to book a flight from TX-HOU to Denver, CO-DEN to meet my sister. Can you book a connecting flight for me? 
 agent: When you are willing to travel? 
 customer: I will fly on 11/30 and return on 12/02. 
 agent: Please wait for a moment. 
 customer: Sure. 
 agent: We found 1002 Southwest airlines with single connection with price 100. 
 customer: Please proceed with booking. 
 agent: Your, booking has been confirmed. 
 customer: Thank you for helping me with booking. 
 agent: Thank you for reaching us.

A: book
****
Q: customer: Hello. 
 agent: Hello. How may I assist you at this moment? 
 customer: Myself Sandra Phillips. Can you please book a flight ticket from SFO to LGA? 
 agent: Sure, may I know your planned dates of travelling? 
 customer: Sure, I need to travel on dates of 04/05 and 04/07. 
 agent: Please wait a moment to check the flights availability. 
 customer: Sure, take your time. 
 agent: Sorry to inform you that, there are no flights moving to your region with your planned dates of travelling. 
 customer: Oh! It is sad to hear. Anyway, I will go  with another agency this time. 
 agent: Thank you for approaching us, have a great day. 
 customer: Thank you for your time. 
 agent: Welcome.

A: no_flight
****
Q: customer: Hi. 
 agent: Hello. How can I aid you? 
 customer: I am Virginia Lopez. I need to submit my certificates in university at Atlanta, GA - ATL. Can you book a flight ticket from Houston, TX - IAH? 
 agent: Sure, I can help you. Can I know your travelling dates? 
 customer: 06/03 and 06/05 are my travelling dates. 
 agent: Do you need any connection limit? 
 customer: Yes, I need single connection. 
 agent: Unfortunately, here are no flights found according to your requirements. 
 customer: Ok, no issues. Thanks for your information. 
 agent: Thank you for contating us.

A:
no_flight
****