You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Unexpectedly, my trip got cancelled due to some financial issues, so I need to cancel my previous ticket. Can you help me out in cancelling the ticket?

ASSISTANT: Sure, I will help you. To proceed further, may I know your good name please?

USER: Yes, my name is Kevin Williams.

ASSISTANT: Ok, please wait for a while, I will database and revert back to you. Thanks for being so patience.

USER: You are welcome.

ASSISTANT: There is no reservation found on your name.

USER: It's ok, thank you for checking.

ASSISTANT: Thanks for connecting with us, have a great day.