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 help you? 
 customer: I want to go to LAX from LGA, so please help me to book a flight ticket. 
 agent: Sure, may I know your travelling dates? 
 customer: My travelling dates are 06/08 and 06/10. 
 agent: Ok, wait for a minute. May I know your name? 
 customer: My name is Linda Collins. 
 agent: Sorry, no flight's found on your details. 
 customer: Its ok, thank you for the information. 
 agent: Thank you for contacting us. 
 customer: You are welcome.
[A]: no_flight


[Q]: customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: Myself Janet Perez. Due to some problems I am unable to travel in flight so can you please cancel my flight ticket? 
 agent: Sure, we are here to help you. Wait for some time. 
 customer: Ok, thank you for your positive response. 
 agent: Thanks for waiting there is no reservation found on your name. 
 customer: Oh! It's ok no problem. Thank you for your information. 
 agent: Thanks for approaching us.
[A]: no_reservation


[Q]: customer: Hello. 
 agent: Hello. How can I help you today? 
 customer: I am  Carol Williams. I want to book a fight ticket from PHX to ORD. Can you find a flight ticket for me? 
 agent: Sure, may I know your travel dates to search available flight for you? 
 customer: Sure, I am planning to travel on these days that is on 02/02 and back on 02/04. 
 agent: Wait for a minute, to check. 
 customer: Ok, make sure that the connection limit 1. 
 agent: Sorry, I could not find any flight with your connection. 
 customer: Ok, no problem. Thank you for your information. 
 agent: My pleasure.
[A]:
no_flight