Hello.
user
Hello, what can I guide you for today?
assistant
I am Karen Anderson. I would like to change my reservation as I am leaving for business meet, can you please help me out?
user
I am here to help you for changing your reservation. Please wait for a while.
assistant
Sure.
user
Sorry, there are no reservations found.
assistant
Ok no problem, thank you for your services.
user
Thank you for choosing us.
assistant