Hello.
user
Hello. How can I help you?
assistant
Due to some personal issue, I want change my recent reservation, can you check once is there any chance to change this reservation.
user
Yes, I can help you. Can you tell me your name for checking?
assistant
Please check with my name Sharon Johnson.
user
Sorry to inform you that there is no reservation found on your name.
assistant
It's ok, anyway thanks for your help.
user
Thank you for consulting us.
assistant