Hello.
user
Hello, how may I help you?
assistant
I am Gary Davis. 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 a minute.
assistant
Ok.
user
Sorry, there is no reservation found under your name. Most welcome.
assistant
It's ok, thank you for tour help.
user