Hi. I am Gary Anderson.
user
Hello, how can I help you today?
assistant
I would like to change my existing reservation due to postpone of launching a new product at Houston. Can you help me out?
user
Sure, please wait for a while, I will check and get back to you.
assistant
Sure, I will wait for your response.
user
Sorry, there was no reservation found with your name.
assistant
Not an issue. Thank you for your kind information.
user
Thank you for opting us.
assistant