Hello.
Hello, how may I assist you?
Due to change in plans to visit Dallas tour, I would like to change my existing reservation. Can you help me with this?
Sure, I will help you out. Please provide me your name to check your previous reservation on your name?
My previous reservation has done with my name Dennis Brown.
Please wait a moment.
Sure.
Sorry Dennis, no reservation found on your name.
Ok, not an issue. May be something went wrong while booking. Thank you for providing information.
Yes, thank you for reaching us.