You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I amend you today?

USER: I am Daniel Allen.

ASSISTANT: May I know your good name please?

USER: I just want to cancel my reservation due to heavy rain fall.

ASSISTANT: Sure, please wait for a while, I will check with the reservation list and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, Sorry we couldn't find any reservation on your name.

USER: Not an issue.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your help.