Hi.
user
Hello. How may I assist you now?
assistant
I want to change my existing reservation, my music concert got postponed. Can you please help me out with that?
user
Sure, I am glad to help you with that. Can I know your name to check your previous reservation?
assistant
My previous reservation was booked with name Mark Roberts.
user
Please wait a moment to check.
assistant
Ok, I will wait.
user
We regret to inform you that, there is no reservation found on your name in our records.
assistant
Ok, thank you for checking.
user
Thank you for reaching us, hope you have a great day.
assistant