You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my reservation, can you help me with that?

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

USER: I am Timothy Campbell.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your given name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.