Hello.
user
Hello, how may I assist you?
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, could you please provide your name to check your reservation status?
assistant
My previous reservation has done with the name Brandon Brown.
user
Ok, please wait for a moment I will check your details and proceed further.
assistant
Sure, take your own time.
user
Sorry to say, there is no reservation on your name in my database.
assistant
Ok, not an issue. May be something went wrong while booking the ticket.
user
Thank you for choosing us, have a nice day.
assistant
Thank you for providing information.
user