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. 
 agent: Hello. How may I assist you? 
 customer: Please book a flight ticket on a connecting flight. 
 agent: Sure, I am here to help you. Can you please share your airport codes? 
 customer: My airport codes are from OAK to LAS. 
 agent: On which dates you would like to travel? 
 customer: My trip dates are 09/22 and 09/24. 
 agent: May I know your departure and arrival time? 
 customer: I am comfortable with any timings. 
 agent: Do you have any other requirements? 
 customer: No, thanks for asking. 
 agent: Ok, please share your name. 
 customer: I am Thomas Scott. 
 agent: Sorry, there are no flights in this route as per your travelling details. 
 customer: That's ok, thank you for your information. 
 agent: Thank you for choosing us.

A: no_flight
****
Q: customer: Hi. 
 agent: Hello. How may I assist you today? 
 customer: Can you please book me a flight ticket from LAS to PHL? 
 agent: Sure, I will help you. 
 customer: Thank you. 
 agent: Please help me with your name. 
 customer: I am Sarah Garcia. 
 agent: Please let me know with your planned travel dates. 
 customer: I want to start my journey on Sept 11th and return on Sept 13th. 
 agent: Do you need a direct or connecting flight? 
 customer: I am comfortable with both. 
 agent: Please let me know with your preferences in your journey. 
 customer: I want an economy class to travel. 
 agent: Do you have any other preferences in your journey? 
 customer: No. 
 agent: Please allow me a minute. 
 customer: Ok. 
 agent: We have a  connecting flight with two breaks operated by American Airlines with a fare of 100. Is it ok for you? 
 customer: Yes, please proceed. 
 agent: I have booked your ticket in economy class flight-1026. It departs at 0 AM and arrives at 12 PM. 
 customer: Thank you. 
 agent: Thank you for reaching us. Have a great time.

A: book
****
Q: customer: Hello, I am Donna White. 
 agent: Hello, how may I assist you today? 
 customer: Due to an emergency meeting, I want to cancel my reservation. Can you help me with it? 
 agent: Sure, please wait. 
 customer: OK. 
 agent: Thank you for waiting, there is no reservation found on your name. 
 customer: No problem, thank you for the information. 
 agent: Thank you for availing with us.

A:
no_reservation
****