You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello, how may I support you today?

USER: I want to cancel my recent ticket booking due to office work that my manager did not approve my leaves, so can you please cancel it?

ASSISTANT: Sure, may I know your good name please?

USER: My name is Steven Scott.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thanks for opting us, have a nice day.