Instructions: 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: customer: Hi. 
 agent: Hello, how can I aid you today? 
 customer: I need to amend an existing reservation, can you please help me? 
 agent: Sure, may I know your good name? 
 customer: Rebecca Thomas here. 
 agent: We found a reservation on your name, please share your trip dates. 
 customer: Sure, my planned travelling dates are May 07 and 09 respectively. 
 agent: May I know your airport codes? 
 customer: Sure, my airports codes are LGA and MCO respectively. 
 agent: Do you need a connecting flight? 
 customer: Yes, flight has to be with a single connection. 
 agent: Do you have any other specifications? 
 customer: No, thank you for asking. 
 agent: Thank you for your details, we found a connecting flight 1007 in class economy which is in Jet Blue airline. Shall I proceed? 
 customer: Please proceed for booking. 
 agent: Your ticket has been confirmed. 
 customer: Thank you for your service. 
 agent: Thank you.
Output:
book