You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to cancel my recent reservation, as I am no longer interest in that trip, as most of my friends are not attending. Can you help me?

ASSISTANT: Ok. Sure, for cancelling may I know your name?

USER: Sure, myself Laura Harris.

ASSISTANT: Harris, but I did not found any reservation with your name. Anything else to help you.

USER: It's ok,  no problem.

ASSISTANT: Thank you for reaching us. Have a nice day.

USER: Thank you for your information.