You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Timothy Mitchell here.

ASSISTANT: How can I help you at this time?

USER: Due to heavy rain, I want to cancel my reservation.

ASSISTANT: Sure, I will help you with that. Please give me a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry to inform you, no reservation has found under your name.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your support.

ASSISTANT: You are welcome, have a good day.