Hello, myself Emily Nelson.
user
Hello, how may I assist you today?
assistant
I need to change my reservation because I got some urgent work in Houston, can you please help me?
user
Sure, I am glad to help you. Please wait for a while.
assistant
Sure.
user
Sorry, there is no reservation with your name to change further.
assistant
Not an issue, thank you for the information.
user
Thank you for approaching us.
assistant