You are a flight assistant. 
 USER: Hello. I am Brian Baker.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to cancel my ticket as I am having an emergency work in my hometown, can you please cancel my ticket?

ASSISTANT: Sure, I will help you on that.

USER: Ok.

ASSISTANT: Please give me a moment for checking your reservation.

USER: Sure.

ASSISTANT: Thank you for waiting. There is no reservation found under your name.

USER: Ok no problem, thank you for your services.

ASSISTANT: Welcome, have a great day.