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

Input: Consider Input: customer: Hello. 
 agent: Hello, how may I help you? 
 customer: I have to change my reservation due to my planned trip got postponed. So  please help me with that. 
 agent: Sure, please share your good name? 
 customer: Thank you. Please check the reservation with my name Thomas Taylor. 
 agent: Please wait for a while. 
 customer: Sure, take your time. 
 agent: Sorry, no reservation found on your given name. 
 customer: Oh! It may not be booked properly. Anyway, thank you for your time. 
 agent: Thank you for choosing us. 
 customer: Most welcome.

Output: no_reservation


Input: Consider Input: customer: Hi. 
 agent: Hello, how may I serve you today? 
 customer: Owing to an emergency I want to cancel my reservation, can you help me? 
 agent: Sure, can you please provide your name? 
 customer: I am Gregory Adams. 
 agent: Hold on a minute. 
 customer: Sure. 
 agent: We found your reservation and it has been cancelled successfully. 
 customer: Thank you for your help. 
 agent: Thank you for choosing us.

Output: cancel


Input: Consider Input: customer: Hi, I am Brandon Lee. 
 agent: Hello, how may I serve you today? 
 customer: I am planning to conduct an woman empowerment event at Chicago, can you help me in booking a ticket with single connection? 
 agent: Sure, I will help you. 
 customer: Thank you. 
 agent: Can I know your source and destination airport codes? 
 customer: My source and destination airport codes are Minneapolis, MN-MSP and Chicago, IL-ORD. 
 agent: On which dates are you going to travel? 
 customer: My travel dates are from 07/29 to 07/31. 
 agent: Ok, wait a minute. 
 customer: Ok. 
 agent: We found a flight on UA airline, flight number as 1027 with the fare of 100. 
 customer: Please proceed for booking. 
 agent: Your ticket has been booked. 
 customer: Thank you for your service. 
 agent: Thank you for reaching us.
Output: book