You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Due to floods at my home town, I need to cancel my reservation. Can you help me in cancelling?

ASSISTANT: Sure, we will help you. Please help me with your name to check your details.

USER: Donna Campbell is my name.

ASSISTANT: Just give me a time, I will check and revert back to you.

USER: Ok.

ASSISTANT: Thank you waiting, there is no reservation exist on your name to cancel.

USER: No issues, thanks for your information.

ASSISTANT: Thank you for opting us.