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 which I have done last week because my trip got cancelled. Please help me out with that.

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

USER: Myself Michael Lopez.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

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

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for reaching us.