You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: My name is Donald Thompson and I want to cancel my reservation.

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Take your time.

ASSISTANT: Donald Thompson, no reservation has been found on your name in our database.

USER: Not an issue, Thank you for the information.

ASSISTANT: Thank you for approaching us.