You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am John Clark.

ASSISTANT: What kind of support are you looking for?

USER: I am planning to cancel my reservation, help me in that?

ASSISTANT: Sure, we will help with that. Please hold a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no recent reservation found with the given name.

USER: That's ok, thank you.

ASSISTANT: Thank you.