You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I support you today?

USER: I am Charles Evans. Please cancel my recent reservation.

ASSISTANT: Sure, please wait for a while, I will check with the reservation on your name to cancel it.

USER: Ok.

ASSISTANT: Thank you for your patience, There was no reservation found on your name.

USER: Thanks.

ASSISTANT: Thank you for reaching us.