Hello.
user
Hello, how may I help you?
assistant
I would like to shift my planned dates to some other dates, please help me in changing my existing reservation.
user
Sure, may I know on whose name the ticket has been booked?
assistant
My name is Katherine Lewis.
user
Sorry Lewis, there is no reservation found on given name.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for communicating with us.
assistant