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
Yes, can you tell me your name?
assistant
My name is Helen Walker.
user
Sorry to inform you that there is no reservation found on your name.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for reaching us.
assistant