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