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

customer: Hi,. 
 agent: Hello, how can I assist you today? 
 customer: I am Pamela Smith. Please cancel my recent reservation. 
 agent: Sure, wait for some time. 
 customer: Ok. 
 agent: There is no reservations found on your name. 
 customer: Thanks for the assistance. 
 agent: Thanks for choosing us.
no_reservation

customer: Hello. I am Dennis Anderson. 
 agent: Hello, how may I aid you today from my end? 
 customer: I want to change my reservation, due to some health issue. Can you please help me out? 
 agent: Sure, I am here to help you out. Please allow me a moment. 
 customer: Ok, I will wait for your information. 
 agent: Sorry Dennis Anderson, there is no reservation on your name in our database. 
 customer: That's ok, thank you for checking. 
 agent: Thank you for reaching us.
no_reservation

customer: Hello,. I am Sharon Wright. 
 agent: Hello, how may I aid you for the day? 
 customer: I want to book a flight ticket to attend Sport's Festival in Houston, TX - IAH. Can you please help me in booking a flight ticket under the fare of 200? 
 agent: Sure, we are happy to help you. 
 customer: Thank you. 
 agent: May I know your source point? 
 customer: My origin airport code is Houston, TX - HOU. 
 agent: Ok, let me know your journey dates. 
 customer: I am willing to travel on 12/17 and intend to return on 12/19. 
 agent: Ok, please wait for sometime. 
 customer: Sure. 
 agent: Thanks for your time, no flights were found based on your schedule. 
 customer: Ok, no problem. Thank you. 
 agent: Thanks for choosing us.
no_flight