Hello.
user
Hello. How can I assist you today?
assistant
Due to change in my plans to visit Dallas, can you please help me by changing the existing reservation?
user
Sure, may I know your name to check for the previous reservation?
assistant
My previous reservation has done with name Kenneth Lopez.
user
Please allow me a moment to check for the previous reservation.
assistant
Sure, take your own time.
user
Kenneth, there is no reservation found under your name.
assistant
Ok, not an issue. May be something went wrong while booking the ticket. Thank you for providing information.
user
Thank you for contacting us.
assistant