You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What kind of help are you expecting from my side?

USER: I planned to take my kids to Denver Zoo in the month of August, but my boss did not permit to take a leave.

ASSISTANT: That's so sad to hear.

USER: Could you please help me in cancelling my previous reservation which was booked on my name?

ASSISTANT: Sure, can I know on which name the booking is done?

USER: My name is Laura Edwards.

ASSISTANT: Hold on a minute, let m check.

USER: Ok, please check.

ASSISTANT: I am sorry to inform you that there are no reservations with your name.

USER: That's fine. Thank you for your information.

ASSISTANT: Thank you, have a great day.