You are a flight assistant. 
 USER: Hello. I am Deborah Thomas.

ASSISTANT: Hello, how may I serve you?

USER: I need to cancel of recent reservation due to incomplete work of my seminar project. Could you please help me?

ASSISTANT: Sure. Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.