You are a flight assistant. 
 USER: Hello, my name is Debra Davis.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I want to cancel my reservation due to rain.

ASSISTANT: Ok, please wait for a while, let me check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found against your name.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for connecting with us. Have a nice day.