You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you for the day?

USER: I am Linda King.

ASSISTANT: Ok.

USER: I just want to cancel my recent reservation, due to my music concert has been cancelled. Can you assist me to cancel it?

ASSISTANT: Sure, please standby.

USER: Sure.

ASSISTANT: There is no reservation exists with your name.

USER: Ok, no problem.

ASSISTANT: Thanks for your approach.

USER: Thanks for your response.