You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Mary Martinez. Can you help me to cancel my recent reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok fine.

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

USER: That's fine, thanks for your information.

ASSISTANT: Your welcome.