Hello.
user
Hello. How may I help you?
assistant
I am Rebecca Miller. I want to change my existing reservation, can you please help me with this?
user
Sure, I can help you and please allow me a moment.
assistant
Sure.
user
Thank you for waiting, there is no reservation found for the user name in our back end to change your booking.
assistant
Ok, no problem. Thank you for your information.
user
You are most welcome and thank you for reaching us.
assistant