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, I am Jessica Mitchell. 
 agent: Hello, how may I assist you today? 
 customer: I am planning to conduct a free medical camp in New York, NY - JFK, so help me in booking a flight ticket from Denver, CO - DEN. 
 agent: Sure, when are you planning to travel? 
 customer: I would like to fly on 11/30, return on 12/02. 
 agent: Please wait for a moment. 
 customer: Sure. 
 agent: Thank you for your details, there are no flights available with the given details. 
 customer: No problem, thank you. 
 agent: Thank you.

Answer: no_flight


Question: customer: Hello. 
 agent: Hello. How can I assist you? 
 customer: My holiday trip has been cancelled, could you please help me with cancelling my recent reservation? 
 agent: Sure, can I know your name please? 
 customer: My reservation was done under the name Mary Mitchell. 
 agent: Please wait a moment. 
 customer: Sure, take your time. 
 agent: I found your reservation. 
 customer: Please cancel it. 
 agent: I have cancelled your reservation. 
 customer: Thank you for your help. 
 agent: Thank you for approaching us.

Answer: cancel


Question: customer: Hello, I am Jessica Jones. 
 agent: Hello, how may I address you? 
 customer: I want to attend Earth and Nature festivals at SFO from BOS. Can you please help me to book a flight? 
 agent: Sure, when are you planning to make your trip? 
 customer: I want to fly on July 2 and need to return on July 4. 
 agent: Will you please let me know your airline preference? 
 customer: I am comfortable with any airline. 
 agent: Do you have any specific depart and arrival time for this trip? 
 customer: Yes, I want to depart in morning time. 
 agent: How many connections are you looking for? 
 customer:  I'm looking for flights with maximum connection of 1. 
 agent: Lastly, do you prefer an economy class or business class ticket? 
 customer: No, I am ok with any class. 
 agent: Ok, please allow me a moment. 
 customer: Sure, take your time. 
 agent: We regret to inform that there are no flights available matching your credentials. 
 customer: Ok, no problem. Thank you for checking. 
 agent: Thank you for consulting us.

Answer:
no_flight