Hi.
user
Hello.
assistant
I am Elizabeth Campbell.
user
How can I assist you at this moment?
assistant
Can you help me for changing my existing reservation?
user
Sure, I will help you with that.
assistant
Thank you.
user
Ok, please wait a moment.
assistant
OK.
user
Sorry Elizabeth Campbell, no reservation has found under your name to change.
assistant
Oh! It's ok no problem, thank you for your services.
user
Thank you for choosing us, have a good day.
assistant