You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

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 name?

USER: My name is Larry Lewis.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: There is no reservation found with your name.

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

ASSISTANT: Thanks for reaching us.