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 can I guide you? 
 customer: I am Carol Lewis. Due to my health problem I want to change my reservation, can you please help me to change my reservation? 
 agent: Sure, I will help you. Can you please give me a minute to check the ticket status? 
 customer: Sure, take your own time. 
 agent: Sorry Lewis, there is no reservation found with your name in our system database. 
 customer: That's fine. Thank you for your help. 
 agent: Thank you for choosing us.
answer:
no_reservation


question:
customer: Hello. 
 agent: Hello, how may I assist you at this moment? 
 customer: I need to cancel my reservation as I need to stay back in own city, due to my house has collapsed by Floods. 
 agent: May I know your name to track your details? 
 customer: Sure, I am Patricia Roberts. 
 agent: Ok, please give me a minute. 
 customer: Sure. 
 agent: Thanks for your time, no reservation was found based on your name. 
 customer: Ok, Thank you for your service. 
 agent: Thank you for consulting us.
answer:
no_reservation


question:
customer: Hi. 
 agent: Hello, how may I assist you? 
 customer: I am Scott Campbell and I need a flight ticket to reach the Orlando on a business meeting, can you help me? 
 agent: Sure, may I know your airport codes please? 
 customer: Sure, the airfield location codes are from DFW to MCO which is near to me. 
 agent: Ok, now please provide your travel dates? 
 customer: I planned my trip on 06/02 and might be return back on 06/04. 
 agent: Please wait for a moment. While I am checking for the available flights. 
 customer: Ok. 
 agent: Thanks for your patience, I have found Hawaiian airlines with one connection. 
 customer: I am ok with that airlines, proceed. 
 agent: Sure, Your fight ticket has been confirmed now. 
 customer: That's good, thanks to your service. 
 agent: Thanks, you may board the flight number 1016. 
 customer: Welcome.
answer:
book