Hello, Sandra Williams here.
user
Hello, how may I help you?
assistant
I have some unplanned work in my office, so I want to change my reservation.
user
Sandra Williams, please wait till I check with your existing reservation before proceeding with changing.
assistant
Sure, take your time.
user
Sorry to inform you Sandra Williams, no reservation found by your name.
assistant
No problem, thank you for helping me.
user
Thank you for reaching with our services. Have a nice day ahead.
assistant