Hi, I am Robert Scott.
user
Hello,. How can I assist you?
assistant
Owing to an emergency, my meeting with client has been postponed. So I want to change my existing reservation, can you help me with that?
user
Please wait for a while.
assistant
Sure.
user
No reservation found by name Robert Scott.
assistant
Ok, no worries at all.
user
Thanks.
assistant
Thank you for your help.
user