Hi.
user
Hello. How can I help you?
assistant
Patrick Johnson here. I want to change my existing reservation to new dates.
user
Sure, I will help you to change your reservation.
assistant
Thank you.
user
Give me a moment.
assistant
Sure.
user
Sorry, there is no reservation found on your name ton change.
assistant
It's ok, thanks for your assistance.
user
Welcome. Thank you for choosing us.
assistant