You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I am Jacob Robinson, Due to heavy rainfall I want to cancel my recent reservation.

ASSISTANT: Sure. Please wait for a while, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for your patience. We have not found any flight reservation on your given name.

USER: Thank you, for your service.

ASSISTANT: Thanks for choosing us.