You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I want to cancel my recent reservation, as most of my friends are not coming for vacation.

ASSISTANT: Sure, can I know your name?

USER: I am Emma Taylor.

ASSISTANT: I am sorry, there are no reservations with your name.

USER: Ok, no problem.

ASSISTANT: Thank you.

USER: Thank you for your time.