instruction:
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. How may I aid you today? 
 customer: My name is Roberts Collins, I want to book a connecting flight to meet friend at Houston. Can you book a flight from NY-JFK to TX-HOU? 
 agent: Sure, when are you planning to start and return on? 
 customer: I will fly on 07/09 and return on 07/11. 
 agent: Thank you for your details, there are no flights found with the given details. 
 customer: Thank you for the information. 
 agent: Thank you for contacting us.
answer:
no_flight


question:
customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: I am Jack Moore. I want to cancel my reservation, due to my health issues. 
 agent: Ok, please wait for a moment. 
 customer: Sure. 
 agent: I found reservation with your name, shall I proceed to cancellation? 
 customer: Yes, you can proceed to cancellation. 
 agent: Your reservation has been cancelled successfully. 
 customer: Thanks for your good service. 
 agent: Thanks for choosing us.
answer:
cancel


question:
customer: Hi. 
 agent: Hello. How may I serve you? 
 customer: I need to cancel my reservation right now because I am unable to reach airport due to an accident happened. 
 agent: Ok. 
 customer: So, please help me with this. 
 agent: Sure, I will help you. Let me know your name. 
 customer: Thank you. My name is Thomas Hall. 
 agent: Please, wait. 
 customer: OK. 
 agent: Thanks for waiting. There is no reservation found on your name. 
 customer: Ok, no problem. Thanks for the information. 
 agent: Thank you.
answer:
no_reservation