You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you today?

USER: My father has reserved a ticket but, I am afraid of travel by flight. So, I want to cancel my flight ticket. Can you help me out?

ASSISTANT: Sure, may I know your name please?

USER: Margaret Roberts is my name.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found based on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for picking us.

USER: Thanks for your time.