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 may I assist you today? 
 customer: I am Benjamin Harris. I would like to visit Shri Lakshmi Narayan Mandir at New York. Can you please help with single connection. 
 agent: Sure, can you please provide your journey dates? 
 customer: Sure, my depart is on 09/04 and return on 09/06. 
 agent: Ok, may I know your airport locations? Ok, please wait a moment. 
 customer: My airport location is Seattle, WA - SEA. 
 agent: Can I have your airport codes? Ok, please wait. 
 customer: OK. 
 agent: Thanks for your time, sorry, no flight found on that day. 
 customer: No problem, thank you for the information. 
 agent: Thank you for approaching us.

Answer: no_flight


Question: customer: Hello, I am Larry Campbell. 
 agent: Hello, how can I help you? 
 customer: I want to meet my college friend at San Francisco, SFO. 
 agent: Ok. 
 customer: Can you help me in booking with a connecting flight? 
 agent: Sure, we are mirthful to help you. 
 customer: Thank you. 
 agent: Can you please let me know your journey dates? 
 customer: My travelling dates are from 10/23 to 10/25. 
 agent: What is your take off airport code? 
 customer: I am boarding at Boston, BOS. 
 agent: Please wait a minute, I will search a flight for you. 
 customer: Sure. 
 agent: Thanks for your time. 
 customer: Ok. 
 agent: Unfortunately, there are no flights found on your route. 
 customer: Ok, No problem. Thanks for the information. 
 agent: Thank you for choosing us.

Answer: no_flight


Question: customer: Hello. 
 agent: Hello, how may I help you? 
 customer: I am Ronald Carter. I am planning to watch sports live events in Detroit, can you help me in booking a flight ticket within a price limit of 500? 
 agent: Sure, can I know your travelling dates? 
 customer: I will start on 12/26, return on 12/28. 
 agent: Ok, please help me with origin and destination airport codes? 
 customer: My source and destination airport codes are DC - DCA, MI - DTW. 
 agent: Delta airline is available with single connection and fare is 100. Shall I proceed? 
 customer: You can proceed to booking. 
 agent: Your ticket is booked with 1002 flight number in economy class. 
 customer: Thank you. 
 agent: Thank you for reaching us.

Answer:
book