You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I useful to you?

USER: I am John Robinson, I am not feeling good in travelling in a flight, So I have planned to go by road, help me in cancelling my recent reservation.

ASSISTANT: Sure, I'll help you in cancellation. Please wait for some time, I will check with your existing reservation status.

USER: Sure.

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

USER: Its ok, thank you for your effort.

ASSISTANT: Thank you for reaching us.