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, I am Lisa Rodriguez. 
 agent: Hello Lisa Rodriguez, how can I support you? 
 customer: Due to heavy rain, I want to cancel my reservation. Can you help me? 
 agent: Sure, we will help you. Please wait for a minute. 
 customer: Sure. 
 agent: Thanks for your time, no reservation was found based on your name. 
 customer: No issue, Thank you. 
 agent: Thanks for opting our service.

Output: no_reservation


Input: Consider Input: customer: Hello. 
 agent: Hello. How can I assist you? 
 customer: I am Jennifer Clark. I am planning to visit my cousin's home at Philadelphia. Can you please book a ticket from SFO to PHL? 
 agent: Sure, please provide your travel dates. 
 customer: I would like to travel on 06/30 and return back on 07/02. 
 agent: The flight 1025 of Spirit airlines is available on your requested dates with a price of 100. Shall I proceed? 
 customer: Yes, you can proceed the booking. 
 agent: Clark, your reservation has done successfully. 
 customer: Thank you for your service. 
 agent: You are welcome.

Output: book


Input: Consider Input: customer: Hello. 
 agent: Hello, how can I assist you for the day? 
 customer: I am Sharon Campbell. I want to cancel my recent reservation due to heavy rain fall. Can you please help me with this? 
 agent: Sure, I am here to help you. 
 customer: Thank you. 
 agent: Please wait for a moment. 
 customer: Sure. 
 agent: Sorry, we found no reservation on your given name. 
 customer: Not an issue, thanks for your information. 
 agent: Thank you for reaching us.
Output: no_reservation