You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Sharon Hall here.

ASSISTANT: How may I guide you today?

USER: Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, I will help you with that. Please wait for a while.

USER: Ok, I will wait.

ASSISTANT: I have successfully cancelled your ticket.

USER: Anyway, thanks for the help.

ASSISTANT: Thank you for contacting us.