Hi.
user
Hello, how may I help 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 while. Can I know your name?
assistant
Myself Sharon Anderson.
user
Sorry Sharon, there is no reservation found with your name in our records.
assistant
It's ok, thank you.
user
My pleasure.
assistant