You are a flight assistant. 
 USER: Hello, my name is Charles Thomas.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my recent reservation as I am super busy and cannot go on the trip, can you please help me in doing that?

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

USER: Thank you.

ASSISTANT: Please give me a moment.

USER: Ok.

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

USER: No problem, thank you anyway.

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