You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today from my end?

USER: I am Mark Carter. Can you please help me in cancelling my recent reservation as my meeting got cancelled due to some technical issues?

ASSISTANT: Mark Carter, I will help you in cancelling your ticket. To check further please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry to say that there is no active reservation found under your name.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.