Hi.
user
Hello. How can I help you?
assistant
I am Michael Hill. I want to change my reservation, can You help in changing my reservation?
user
Sure, I will help you with that. Please wait for a minute.
assistant
Sure.
user
Sorry to say that, there is no reservation found on your in our database.
assistant
That's ok, thank you.
user
Thank you for choosing us.
assistant