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: Hi. I am Raymond Brown. 
 agent: Hello, how can I help you today? 
 customer: Due to emergency I need to cancel my recent reservation, Can you please help me with that? 
 agent: Ok, please wait a moment. 
 customer: Sure. 
 agent: Sorry to say, no reservation found with your name. 
 customer: Ok, no problem. Thanks for your information. 
 agent: Thanks for reaching us, have a good day.
[A]: no_reservation


[Q]: customer: Hi. 
 agent: Hello, how may I help you? 
 customer: Unfortunately I have an emergency meeting so I want to cancel my reservation, can you please help in cancelling my reservation? 
 agent: Sure, I will help you. 
 customer: Thank you. 
 agent: May I know your good name please ? 
 customer: I am Emma Young. 
 agent: Please wait for a while. 
 customer: Ok. 
 agent: Sorry, there is no reservation found on your given name. 
 customer: Ok, no problem. Thank you for your quick response. 
 agent: Thanks for choosing us.
[A]: no_reservation


[Q]: customer: Hi. 
 agent: Hello, how may I support you? 
 customer: Can you please help me in booking my flight ticket from PHX to IAH? 
 agent: Sure, we are glad to help you. Please let me know your travelling dates. 
 customer: My travelling dates are Nov 29 and Dec 01. 
 agent: Do you have any break in between journey? 
 customer: I need connecting flight. 
 agent: Is there any other specifications for you? 
 customer: I need my depart flight ticket at evening time. 
 agent: May I know your good name? 
 customer: Myself Susan Lopez. 
 agent: Sorry, no flights are available on your journey routes. 
 customer: Thanks for the information. 
 agent: Thank you for contacting us.
[A]:
no_flight