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
--------
Question: customer: Hello,. 
 agent: Hello, may I know your name? 
 customer: I want to change my existing reservation which is with the name Brenda Smith as my Business meeting got postponed. 
 agent: Please wait for a moment, while I check. 
 customer: OK, sure. 
 agent: Thanks for waiting, sorry to inform there is no reservation found on your name. 
 customer: OK, that's fine. Thank you. 
 agent: Thank you to connecting with us, have a nice day.

Answer: no_reservation


Question: customer: Hello, I am Brain Scott. 
 agent: Hello, How can I serve you? 
 customer: I want to cancel my recent reservation due to the ongoing tornado at my destination. Can you help me to cancel my recent reservation? 
 agent: Sure, I am mirthful to help you. Ok, wait for a minute. 
 customer: Sure. 
 agent: We found a reservation on your name, Shall I proceed with the cancellation? 
 customer: Ok, proceed. 
 agent: Your reservation has been cancelled. 
 customer: Thank you for your quick response. 
 agent: Thank you for opting us, Have a great day.

Answer: cancel


Question: customer: Hello. 
 agent: Hello, how can I provide assistance to you today? 
 customer: I am a traveller and would like to explore the new place and to visit Six Flags Over Texas, which is located in Dallas & Fort Worth.So I want to book a flight ticket from New York with my parents. Can you please aid me in making a plane reservation? 
 agent: Sure, May I know your travel dates please? 
 customer: My departure date is June 8th and arrival date is June 10th. 
 agent: Ok, can you share your source airport code? 
 customer: My source airport code is JFK. 
 agent: Would you like to have any break in your journey? 
 customer: Yes, I need a break in between journey. 
 agent: Do you have any class preference? 
 customer: I prefer to travel in an economy class. 
 agent: Ok, any other requirements you have to make your journey comfortable? 
 customer: No, thank you for asking. 
 agent: May I know your name to proceed further? 
 customer: You can check the flight with the name of Linda Collins. 
 agent: Sorry, no flights are available as per your request. 
 customer: Oh! its very sad to hear, I will choose another agency. Thank you for your assistance. 
 agent: Thank you for contacting us.

Answer:
no_flight