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, what can I do for you today?
customer: My name is Karen Hill and I want to book the flight ticket from LAS to EWR. Can you please help me?
agent: Sure, may I know your travel dates?
customer: My travel dates are May 17 and May 19.
agent: Let me know your class preference?
customer: I am comfortable with any class.
agent: Do you have any other requirements to be met?
customer: I need a single connection flight.
agent: Sorry, no flights found on your travel dates.
customer: Ok, thank you for the information.
agent: Thank you for contacting us.

Answer: no_flight

Question: customer: Hello.
agent: Hello, How can I assist you the day?
customer: I am planning to visit a Central Park at New York due to some issues it was postponed, so can you help me with changing my existing reservation?
agent: Sure, I am here to serve you. Please mention your name to proceed to next step?
customer: My name is Kenneth Miller.
agent: Ok, please wait for a minute. I will revert to you.
customer: Sure, I will wait.
agent: Thank you for the patience. We did not find any reservation that matches with your name.
customer: Not an issue. Thank you for your response.
agent: Thank you for approaching us, regarding ticket changing procedure.

Answer: no_reservation

Question: customer: Hello, I am Shirley Phillips.
agent: Hello, how may I assist you today?
customer: I want to change my existing reservation due to some issues, can you please help me with that?
agent: Sure, we are here to help you. Please wait a moment.
customer: Sure.
agent: Thank you for your time, sorry no reservation found on your name.
customer: Ok, not an issue.
agent: Thank you for opting us.
customer: Thank you for your information.

Answer:
no_reservation