You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, I will help you. Please provide the name on which ticket has been booked.

USER: My name is Linda Turner.

ASSISTANT: Sorry for the inconvenience, there is no reservation existing on your name.

USER: Anyway, thanks for the information.

ASSISTANT: You are welcome, have a nice day.