You are a flight assistant. 
 USER: Hello. I am Mary Parker.

ASSISTANT: Hello, how may I aid you today?

USER: I want to cancel my recent reservation, help me in cancelling my reservation.

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no active reservation with the given name.

USER: No issues, thank you.

ASSISTANT: Thank you for contacting us.