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

[Q]: 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.
[A]: book


[Q]: customer: Hello. 
 agent: Hello. How may I aid you? 
 customer: Can you please help me in booking a flight ticket from Orlando, MCO to Houston, HOU? 
 agent: May I know on which dates you are willing to travel? 
 customer: My journey dates are from Oct 31 to Nov 02. 
 agent: Do you have any other requirements? 
 customer: I prefer only economy class flight. 
 agent: May I know your name? 
 customer: My name is Nancy Davis. 
 agent: Sorry to inform you that unfortunately there is no flights available by the given details. 
 customer: Ok, that's not a problem. Thanks for your information. 
 agent: Thank you.
[A]: no_flight


[Q]: customer: Hi. 
 agent: Hello, how can I help you? 
 customer: Can you please change my recent reservation? As my planned trip has been postponed to some other dates. 
 agent: Yes, I am here to help you. May I know your name please? 
 customer: Sure, my name is Gary Hall. 
 agent: Ok, please wait a minute. 
 customer: Sure. 
 agent: Thank you for your time, sorry no reservation found on your name. 
 customer: That's ok, thank you for giving the information anyways. 
 agent: Thank you for reaching us, have a nice day.
[A]:
no_reservation