You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My name is Charles Martin and I would like to cancel my recent reservation.

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

USER: Sure, take your time.

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

USER: No issue, thank you for the information.

ASSISTANT: Thank you for choosing us.