Hello.
user
Hello, how can I assist you today?
assistant
Due to change in my plans to visit Dallas. I would like to change my existing reservation. Can you help me with this?
user
Sure, can I know your good name please for further process?
assistant
My previous reservation has done with the name Deborah Miller.
user
Ok, please stand by. There is no existing reservation find on your name in our records.
assistant
Ok, not an issue. May be something went wrong while booking the ticket.
user
Thank you for approaching us.
assistant
Thank you for providing information.
user