You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Myself Patricia Thomas, I need to cancel my booking as I have postponed my meeting with my legal advisor.

ASSISTANT: Sure, I am mirthful to help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: Oh! I will get back to you later with the accurate details. Thank you for your time.

ASSISTANT: Thank you for reaching us, have a nice day.