You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Deborah Young from Detroit.

ASSISTANT: How may I assist you?

USER: I have excess work at my office due to which I would like to postpone my journey. Can you help me in changing my reservation?

ASSISTANT: Sure, please wait a moment.

USER: Ok, take your time.

ASSISTANT: Deborah, no reservation has been found on your name in our records.

USER: Its ok, no issues. Thank you for your information.

ASSISTANT: Thank you for approaching us.