You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Sure, I'll try to help you in cancellation. May I know your name to check the reservation list?

USER: I am Michael Smith.

ASSISTANT: Ok, give me sometime.

USER: Sure.

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

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

ASSISTANT: Thank you for approaching us.