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, I am Joshua Phillips. 
 agent: Hello, how can I assist you? 
 customer: I have heard that Orlando is the best place for site seeing. So, can you book a flight ticket from Philadelphia, PA - PHL? 
 agent: Sure, we are here to help you. Can I have the exact airport code of Orlando? 
 customer: Sure, my destination code is FL - MCO. 
 agent: How much can you afford for this trip? 
 customer: I can afford up to 500. 
 agent: When are you planning to go Orlando? 
 customer: I want to travel on 07/19. 
 agent: Ok, do you need a stopover in between your route? 
 customer: Yes, I need a stopover. 
 agent: Please help me with your return date. 
 customer: My arrival date is on 07/21. 
 agent: Joshua, there is a flight from Frontier airline with fare 100 only. Shall I proceed with the booking? 
 customer: You may proceed if it is a connecting flight. 
 agent: Yes, it is a connecting flight. 
 customer: Thank you for your support, regarding flight booking process. 
 agent: Your reservation is confirmed with flight number 1005 on your name Joshua Phillips. Thank you for consulting us. 
 customer: Thank you.

Answer: book


Question: customer: Hi. I am Susan Moore. 
 agent: Hello, how may I render you today? 
 customer:  I want to book a connecting flight ticket to meet my grandparents at Detroit. Can you help me to book a flight ticket? 
 agent: Sure, we are here to help you. Can you please provide your take off and landing airport codes? 
 customer: Yes, my take off airport code is Boston, MA-BOS and landing point is MI-DTW. 
 agent: On which dates would you like me to book a flight ticket for you? 
 customer: I want a ticket on dates 07/27 and 07/29. 
 agent: Ok, please wait for a minute. 
 customer: Ok. 
 agent: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions. 
 customer: That's ok. Thank you for the information. 
 agent: Thank you for opting us.

Answer: no_flight


Question: customer: Hello. 
 agent: Hello, how may I assist you? 
 customer: I am Mark Thomas. I am planning to attend family gathering in ORD.Can you please help me to book a flight ticket from HOU? 
 agent: Sure Thomas, may I know your dates of journey please? 
 customer: I prefer to travel on 06/04 and 06/06. 
 agent: I found a flight with connections limit 1 of cost 200. 
 customer: Ok, please confirm my ticket. 
 agent: Your ticket has booked. Airline UA and number is 1001. 
 customer: Thank you for the help. 
 agent: Thank you. Happy journey.

Answer:
book