You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Due to heavy rain, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, I will help you with cancellation.

USER: Thank you.

ASSISTANT: May I know the name on which reservation is done?

USER: I am Steven Clark.

ASSISTANT: Please wait for a moment, while I check for the reservation on your name.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for reaching us, we hope see you again.