Hello.
user
Hello, how may I help you?
assistant
I am Brandon Harris, I want to change my existing reservation. Could you please help me in changing the reservation?
user
Sure, please wait for a moment.
assistant
Sure, I will wait for your response.
user
No reservation found on your name in my database.
assistant
Not a big deal, anyway thank you very much for your kind information.
user
Thank you for reaching us, have a nice day.
assistant