You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: Due to heavy rainfall in our area, I couldn't able travel. Please cancel my reservation.

ASSISTANT: Sure, I will help you with that. Can I have your name please to check your reservation status?

USER: My name is Steven Williams.

ASSISTANT: Ok, please wait a moment to check your reservation status.

USER: Sure, take your time.

ASSISTANT: Sorry Steven Williams, no reservation has found under your name to cancel.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for choosing us, have a great day.