You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to cancel my reservation due to some problems I am not unable to travel those dates, can you please cancel my recent reservation?

ASSISTANT: Sure, I can help you. May I know your name?

USER: Reservation is done on name of Janet Roberts.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: Thanks for your time. We didn't found any reservation by this name.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.