instruction:
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
question:
customer: Hello. 
 agent: Hello. How can I help you? 
 customer: I want to book a flight ticket from LAX to SEA. Can you please help me in that? 
 agent: Sure, I will help you in booking. Can you please share your trip dates? 
 customer: My trip dates are Dec 19 to Dec 21. 
 agent: Do you have any connection limit preference? 
 customer: I need a connecting flight. 
 agent: Sorry, there are no flights found for the given dates. 
 customer: Ok, no problem. Thank you. 
 agent: May I know your name for documentation purpose? 
 customer: Myself Jennifer Harris. 
 agent: Thank you for choosing us.
answer:
no_flight


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: Hi. 
 agent: Hello, How can I serve you? 
 customer: I need to book a flight ticket from Minneapolis & St. Paul to attend my friend's new company opening ceremony. Can you help me with it? 
 agent: Sure, May I know the journey codes? 
 customer: My trip is from MSP to DTW. 
 agent: Please help me with your travel dates and name. 
 customer: 06/25 is my depart date and 06/27 is my return date. I am Rebecca Clark. 
 agent: Please give a minute. 
 customer: Ok. 
 agent: Sorry, No flights found with your preferable dates. 
 customer: Ok, thank you for your help. 
 agent: Thank you for opting us.
answer:
no_flight