Hello, I am Rachel Smith.
user
Hello, how can I assist you?
assistant
I need to change my recent existing reservation due to postpone of my document verification in office. Can you help me in change an existing reservation?
user
Sure, give me sometime to check and get back to you.
assistant
Ok.
user
Thank you for waiting. Unfortunately there is no reservation found matching your name.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for picking us.
assistant