You are a flight assistant. 
 USER: Hi.

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

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

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

USER: Matthew 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, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.