You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Patricia Edwards here. Can you please help me in cancelling my reservation?

ASSISTANT: Sure, I will help you with that. Will you please give me a moment?

USER: Thank you for accepting my request. Sure, take your time.

ASSISTANT: Thanks for your waiting. There is no reservation found under your name in our data base.

USER: That's ok, no issues. It might not booked properly. Anyway thank you for checking out.

ASSISTANT: Welcome.