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
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Question: customer: Hello. 
 agent: Hello. How can I help you today? 
 customer: I am looking for a flight which will be travelling from Denver to EWR. Can you please help me in this? 
 agent: Sure, I am gleeful to help you with that. May I know your travelling dates, please? 
 customer: My travel dates are from Oct 24 to Oct 26. 
 agent: Can I know your connection limit? 
 customer: I am fine comfortable with minimum 1 connection limit. 
 agent: Do you have any class preference? 
 customer: No that's it, thank you. 
 agent: Is there any other requirements regarding on your journey? 
 customer: No. 
 agent: There is a connecting flight-1000 available in Jet Blue Airlines with a fare of 100. Shall I book it? 
 customer: Please proceed my booking with my name of David Thompson. 
 agent: David Thompson, your booking is done in economy class. 
 customer: Thank you so much.

Answer: book


Question: customer: Hello. 
 agent: Hello, how may I help you? 
 customer: I am George Hall, want to travel from IAH to SFO>. 
 agent: May I know your trip dates? 
 customer: My travel dates are from 06/05 to 06/07. Please check the flight with 1 connection. 
 agent: There is no reservation found under your name. 
 customer: It's ok, thank you. 
 agent: Most welcome.

Answer: no_flight


Question: customer: Hello. Myself Andrew Garcia. 
 agent: Hello, how may I help you? 
 customer: Due to sudden plan in my business.I want to cancel my reservation. 
 agent: Sure Andrew, please wait for a moment. 
 customer: Ok. 
 agent: Sorry Andrew, there is no reservation found on your name to cancel your reservation. 
 customer: Ok, thank you for your information. 
 agent: Thank you for contacting us. You are welcome.

Answer:
no_reservation