Hello.
Hello. In which way I can aid you today?
Due to change in my plans to visit Dallas, I would like to change my existing reservation. Can you help me with this?
Sure, I can help you with that. May I know your name for further process?
My previous reservation has done with the name Frank Harris.
Ok, please hold on a moment, I will check your reservation status.
Sure, take your own time.
There is no previous reservation in your name Frank Harris.
Ok, not an issue. May be something went wrong while booking the ticket. Thank you for providing information.
You are welcome.