Hello.
user
Hello.
assistant
Myself Dorothy Wilson.
user
How may I assist you?
assistant
As I have a sudden plan change in my schedule, so I would like to cancel my recent reservation to Dallas.
user
Give me a moment, let me check your details.
assistant
Ok, take your own time.
user
Wilson, your reservation is successfully cancelled.
assistant
Thank you for cancelling my ticket.
user
Thank you for consulting our service.
assistant