Hi, I am Katherine Taylor.
user
Hello, how may I help you?
assistant
Owing to an emergency, my meeting with president go postponed. So I want you to change my existing reservation.
user
Sure, I will help you. Please wait for a while.
assistant
Sure.
user
Sorry, there is no reservation found on your given name.
assistant
Ok, no worries at all.
user
Thanks for choosing us.
assistant
Thank you for your help.
user