Hello, my name is Pamela Hill.
user
Hello, how may I serve you today?
assistant
I made a reservation earlier for a trip with my friends but at same time I need to reach Dallas. Can you help me in changing existing reservation?
user
Sure, I am here to help you. Please, wait.
assistant
Thank you. Ok.
user
Thank you for being patience, there is no reservation found on your name.
assistant
No problem, thanks for your information.
user
Thank you for choosing us.
assistant