Hello.
user
Hello, how can I help you?
assistant
Jack Wilson here. 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, take your time. Sorry to say, there is no reservation on your name in our database.
assistant
It's ok, thank you for your help.
user
Thank you for opting us.
assistant