Hello, myself Debra Davis.
user
Hello, how may I assist you?
assistant
I want to change my departure and arrival day in my existing reservation, can you please do it for me?
user
Sure, please wait for a moment.
assistant
Ok, take your time.
user
Sorry, there is no reservation found on your name in our database to change.
assistant
That's ok, thank you for the information.
user
You are most welcome.
assistant