You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my reservation due to cancellation of my trip. Please help me with it.

ASSISTANT: Sure, we are gleeful to help you in cancellation. Could you please provide your name to check your previous reservation status?

USER: Reservation was done by the name Cynthia Thomas.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience. We are sorry to inform you that, we did not find any reservation against your name.

USER: Fine, thanks for the information.

ASSISTANT: Thank you for choosing us. Have a good day.