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: Hi. My name is Virginia Perez. 
 agent: Hello. Virginia Perez, what can I do for you today? 
 customer: I want to go for holiday trip to New York. Can you help me in booking a flight ticket on 11/21? 
 agent: Sure, we will help you in booking. How much can you afford for this trip? 
 customer: I can afford up to 1000. 
 agent: OK, do you need a return ticket also? 
 customer: Yes, I will be return on 11/23. 
 agent: Ok, please provide me your airport codes so that I can check the availability. 
 customer: My airport codes are from EWR to JFK. 
 agent: Do you have any other request to met? 
 customer: I need stopover in my journey. 
 agent: Ok Virginia, please give me a moment and I will revert to you. 
 customer: Sure. 
 agent: Sorry to inform you that there is no flight available with single stopover. 
 customer: Ok, No issues. Thank you. 
 agent: Thank you for reaching our service.

Answer: no_flight


Question: customer: Hello. 
 agent: Hello. How may I assist you? 
 customer: I am planning to book a ticket from EWR to DEN. Can you please help me out? 
 agent: Sure, may I know your planned trip dates? 
 customer: I am planning to travel on July 10 and return back on July 12. 
 agent: Do you have any other requirements? 
 customer: I am looking for a connecting flight. 
 agent: Can you please share me your name? 
 customer: My name is Edwards Thomas. 
 agent: We are sorry to inform you that there is no flight found with your given information. 
 customer: That's fine, thank you for your service. 
 agent: Thank you.

Answer: no_flight


Question: customer: Hi. 
 agent: Hello, how can I help you today? 
 customer: I am looking for a flight from SFO to CLT, can you help me out? 
 agent: Sure, can you share me your travel dates? 
 customer: My trip dates are from Aug 9th till Aug 11th. 
 agent: Do you have any connection limit? 
 customer: I am looking for a connecting flight. 
 agent: Is there any other specifications? 
 customer: No, thanks. 
 agent: I found a flight with the price of 100 having one connection and economy class. Can I proceed to booking? 
 customer: Please proceed with it. 
 agent: Your ticket has been reserved with the flight- 1009. 
 customer: Thank you for your help. 
 agent: Thank you for reaching us. Can I know your good name? 
 customer: Patricia Scott. 
 agent: Most Welcome.

Answer:
book