You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you for today?

USER: I am Margaret Gonzalez. I want to cancel my flight ticket, due to some problems I am unable to travel those dates so can you please help me with that?

ASSISTANT: Yes, I am here to help you about that.

USER: Thank you.

ASSISTANT: Hold on for a minute to check existing reservations under your name.

USER: Ok.

ASSISTANT: I have found a reservation under your name, as per your interest I have cancelled your reservation.

USER: Thank you for your help.

ASSISTANT: My duty, thank you for employing our service.