Hi, I am Amy Nelson.
user
Hello, how can I assist you?
assistant
Owing to an emergency, my planned trip to Yosemite adventure got postponed. So I want you to change my existing reservation.
user
Sure, please wait a moment.
assistant
Sure.
user
Thanks for waiting, there was no reservation found on your name.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for choosing us.
assistant