You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Debra Smith. I need to cancel my reservation due to my planned trip got cancelled. So please help me with that.

ASSISTANT: Sure, please wait for a minute.

USER: Thank you. I will wait for your response.

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

USER: I will check my mail and I will get back to you if anything wrong about cancellation. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us.