You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could I serve you today?

USER: I am Alexander Mitchell. I have some personal matters that need fixing so I need to cancel my recent reservation. Can you please help me in that?

ASSISTANT: Sure, please wait for few minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no recent reservation found on your name.

USER: That's not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.