You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Could you please help me to cancel my recent reservation due to cancel of my trip?

ASSISTANT: Sure, I can help you and can I know your name for checking purpose?

USER: Sure, Karen Adams is my name.

ASSISTANT: Please allow me a moment.

USER: Sure.

ASSISTANT: Thank you for your patience, there is no reservation found for the user name in our back end to cancel your booking.

USER: Not a problem, thank you for the information.

ASSISTANT: You are most welcome and thank you for reaching us.