Hello, my name is Edward Thompson.
user
Hello, how can I help you today?
assistant
My family tour trip was postponed, so please change my existing reservation.
user
Sure, Please wait for a while I will check and let you know.
assistant
Ok.
user
Thank you for waiting. Sorry, We did not found any reservation based on your given details.
assistant
Ok, thank you for your service.
user
Thank you for choosing us.
assistant