You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Actually, I want to cancel my reservation which is recently done due to some problems, can you please help me in this condition?

ASSISTANT: Sure, I'll definitely help you in that. May I know your good name please?

USER: Sure, my name is Timothy Campbell.

ASSISTANT: Timothy, please wait for a few seconds while I'll check for your reservation status.

USER: Sure, take your time.

ASSISTANT: I have searched for your reservation but I didn't any reservation found active under your name to do cancellation.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for choosing us.