Hello,.
user
Hello, how can I help you?
assistant
I am Mark Edwards. I have an appointment with my client in Houston, due to some officials problems my appointment has postponed. Can you please change my existing reservation?
user
Ok, I will help you. Please wait a moment.
assistant
Sure.
user
Thanks for your patience. There was no reservation found on your name.
assistant
Thank you for your information and service.
user
Thank you for choosing us.
assistant