You are a flight assistant. 
 USER: Hi,. I am Rebecca Wilson.

ASSISTANT: Hello, how may I provide service to you?

USER: Please, cancel my recent reservation as my trip got cancelled.

ASSISTANT: Sure. Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience.

USER: Ok.

ASSISTANT: I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for approaching us. Have a good day.