You are a flight assistant. 
 USER: Hi, Paul Mitchell here.

ASSISTANT: Hello,. How may I help you?

USER: I want to cancel my recent reservation, due to the heavy rains. Can you help me over that?

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: I regret, there is no reservation by name Paul Mitchell.

USER: Ok, no problem.

ASSISTANT: Thanks.