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 can I help you? 
 customer: I want to cancel my recent reservation. Can you please help me in that? 
 agent: Sure, I can help you with that. May I know your good name please? 
 customer: Larry Robinson here. 
 agent: Please wait while I'll check your reservation status. 
 customer: Ok. 
 agent: Larry Robinson, there is no active reservation found under your name to do cancellation. 
 customer: Ok, no problem. Thank you. 
 agent: Thank you for choosing us.

Answer: no_reservation


Question: customer: Hi. 
 agent: Hello. 
 customer: Kimberly Mitchell here. 
 agent: How can I assist you Kimberly Mitchell? 
 customer: Can you please help me in cancelling my recent reservation? 
 agent: Sure, I will help you with this. I have found your reservation in our database and I have successfully cancelled it. 
 customer: Thank you so much for your help. 
 agent: Thank you for utilising our service.

Answer: cancel


Question: customer: Hello. 
 agent: Hello, how best can I guide you for the day? 
 customer: Can you help me to book a flight from my work location Phoenix, PHX to Houston, HOU? 
 agent: Sure, do you prefer a connecting flight? 
 customer: Ok, please book a connecting flight. 
 agent: When do you want to start and return on? 
 customer: Ok, please book a flight for the dates June 22nd and June 24th. 
 agent: Do you prefer any other specifications? 
 customer: No. 
 agent: Can I know your good name? Thank you for your details, we found a connecting flight 1025 in class economy which is in Hawaiian airline. 
 customer: Ok, please book a ticket on the name Jeffrey Lopez. 
 agent: Your ticket has been confirmed. 
 customer: That is great, thank you for assisting me.

Answer:
book