You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Please help me in cancelling my recent reservation.

ASSISTANT: May I know your good name please?

USER: Eric Brown here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.