Hi.
user
Hello. How may I assist you today?
assistant
I want to change an existing reservation due to sudden change in my trip. Can you help me?
user
Sure, may I know your name for checking with the previous reservation?
assistant
Thank you. Dennis Young here.
user
Please wait a moment.
assistant
Ok.
user
Sorry, there are no active reservations on your given name to change.
assistant
Not a big issue, anyhow thank you very much for checking the reservation status.
user
Thank you for reaching our service.
assistant