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

Example Input: customer: Hello. 
 agent: Hello, how best can I guide you for the day? 
 customer: I need you to cancel my recently booked flight ticket. 
 agent: Sure, please hold a moment. 
 customer: Ok, I will. 
 agent: We need your good name to check the reservation. 
 customer: Ok, my name is Deborah Robinson. 
 agent: Thank you for sharing your good name, we found a reservation on your name and it has been cancelled. 
 customer: Great! Thanks for your help. 
 agent: Thank you.
Example Output: cancel

Example Input: customer: Hello. 
 agent: Hello, how may I assist you today? 
 customer: Can you please help me in booking a flight ticket from LAS to EWR? 
 agent: Sure, can you please let me know your travel dates? 
 customer: I want to fly on July 06 and return on July 08. 
 agent: Do you prefer a connection in between the journey? 
 customer: I need a single connection. 
 agent: Do you have any other requirements? 
 customer: I don't have any other requirements. 
 agent: Ok, please wait for a minute. 
 customer: Ok. 
 agent: We found a connecting flight in Hawaiian Airlines with flight number 1022 having an economy class. Shall I proceed for booking? 
 customer: You can proceed to booking. 
 agent: May I know your name to book a ticket? 
 customer: Myself Nicole Phillips. 
 agent: Your booking has been processed. 
 customer: Thank you. 
 agent: Thank you for approaching us.
Example Output: book

Example Input: customer: Hello. 
 agent: Hello, how may I serve you today? 
 customer: I am looking for a flight from SEA to BOS, can you help me in booking? 
 agent: Sure, can I have your travel dates please? 
 customer: Sure, my planned travel dates are Apr 11 and Apr 13. 
 agent: May I know your good name? 
 customer: Myself Cynthia Miller. 
 agent: Please share your connection limit. 
 customer: Please look for a connecting flight as I need a break in between the journey. 
 agent: Do you have any other requirements to be met? 
 customer: No, thank you. 
 agent: Sorry, there is no flight on your required route. 
 customer: That's ok, no problem. Thank you for the information. 
 agent: Thank you for opting us.
Example Output:
no_flight