Hi.
user
Hello, how can I help you today?
assistant
I am Edward Nelson. I would like to change my flight reservation as I got some important work at my office. Can you please help me?
user
Sure, I am glad to help you.
assistant
Thank you.
user
Please wait for while. Thanks for your time, there is no reservation found on your name in our database.
assistant
Not an issue. Anyway, thank you for checking.
user
Thank you.
assistant