You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: I want to cancel my recent reservation, Can you please help me in that?

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

USER: My name is Nicholas Lee.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: Ok, that's not a problem. Thank you.

ASSISTANT: Thank you for reaching us.