Hello.
user
Hello. How can 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, I will help you with that. Please tell me your name.
assistant
My name is Dorothy Walker.
user
Sorry Walker, I did not find any reservation by your name.
assistant
Ok, no problem. Thank you for your information.
user
It's my pleasure, have a nice day.
assistant