Hi.
user
Hello, how may I serve you?
assistant
Can you change my existing reservation which I have done previously with my name Rebecca Williams.
user
Sure, I will help you with the change of flight reservation. May I know your name please?
assistant
Thank you. Sure, I am Rebecca Williams.
user
Ok, wait a moment please.
assistant
Sure, get back with the status of reservation.
user
Thanks for waiting but I have not found any flight reservation on your name.
assistant
It's ok, thanks for checking.
user
Thanks for approaching us.
assistant