Hello. I am Ronald Hall.
user
Hello, how may I aid you?
assistant
I would like to change my existing flight reservation that has been booked earlier this week.Could you please help me in re-modifying my dates in the reservation?
user
Sure, please wait for a moment let me check.
assistant
Ok, take your time.
user
I am sorry there is no reservation on your name in my database.
assistant
It's ok, thank you for your help.
user
Thank you for opting us.
assistant
My pleasure.
user