You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I want to cancel my recent reservation. Can you help me for that one?

ASSISTANT: Sure, may I know your good name?

USER: Sure, Stephen Hall here.

ASSISTANT: Ok, please wait for 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: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.