Hello.
user
Hello, how can I assist you today?
assistant
As there is change in my plans to visit Dallas, could you please help me by changing the existing reservation?
user
Sure, may I know your good name please?
assistant
My name is Paul Rodriguez.
user
Please wait for a while. Sorry Paul, no reservation found under your name in our database.
assistant
Ok, not an issue. May be something went wrong while booking the ticket. Thank you for providing information.
user
It's my pleasure, have a good day.
assistant