Hello. I am Jack Walker.
user
Hello, how may I aid you?
assistant
Please help me to change my reservation as my meeting was postponed.
user
Sure, I can help you. Please wait for a moment.
assistant
Ok, I will wait for your response.
user
Thanks for your time, there is no reservation found in your name to change.
assistant
Ok, no problem. Thank you.
user
Thank you for choosing us.
assistant