You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I want to cancel my recent reservation due to heavy rainfall at my source point. Can you help me with that?

ASSISTANT: Sure, may I know your name please?

USER: Sure, I am George Martinez.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry we did not find any reservation with your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.