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

[EX Q]: customer: Hi. 
 agent: Hello. How can I assist you today? 
 customer: I am Karen Lee. I am planning to travel from HOU to SEA, can you help in booking  a flight? 
 agent: Definitely, I will help you with that booking. Please share your travelling dates. 
 customer: My travelling dates are 05/10 to 05/12. 
 agent: Just give a moment. 
 customer: Ok. 
 agent: Sorry, there is no flight available on your desired route. 
 customer: That's ok, thank you. 
 agent: Thank you for reaching us.
[EX A]: no_flight

[EX Q]: customer: Hello. 
 agent: Hello. 
 customer: I am Angela Baker. 
 agent: How may I aid you today? 
 customer: Can you find a flight from HOU to SEA, to visit the Chihuly Garden and Glass. 
 agent: Sure, I am here to help you out. Please provide me your trip dates. 
 customer: Help me with booking ticket from 08/20 and 08/22. 
 agent: Sure  Angela Baker, there is a flight with 1 stop and price is 100 in economy class, can I proceed with it? 
 customer: Yes, please. 
 agent: Your ticket has need with 1014 flight in Delta airlines. 
 customer: Thanks for your help. 
 agent: Thank you for reaching us.
[EX A]: book

[EX Q]: customer: Hello. 
 agent: Hello. How may I assist you today? 
 customer: I have to change my reservation due to my planned my trip got postponed. So please help me with that. 
 agent: Sure, may I know your name? 
 customer: Thank you. Please check my reservation with my name Rebecca Gonzalez. 
 agent: Please wait a moment. 
 customer: Sure, take your time. 
 agent: Sorry, there are no active reservations to change your trip. 
 customer: Oh! It may not be booked properly. Anyway, thank you for your time. 
 agent: Thank you for reaching our service. 
 customer: Most welcome.
[EX A]:
no_reservation