You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Thompson.

ASSISTANT: How can I assist you?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Sure Frank, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say that, there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your information.