Hi, I am Laura Johnson.
user
Hello. How can I serve you?
assistant
Owing to an emergency, my meeting with client has been postponed. So I request you to change my existing reservation.
user
Ok. Please wait.
assistant
Sure.
user
Thanks for waiting, There is no reservation found on your name.
assistant
Ok, no worries at all.
user
Thank you.
assistant
Thank you for your assistance.
user