Hello, myself Kathleen Lopez.
user
Hello, how may I assist you for the day?
assistant
I want to change my departure day in my existing reservation, can you please help me out?
user
Ok, give me a moment to check with your previous reservation.
assistant
Ok, I will wait for your response.
user
Thank you for waiting. I could not find any reservation by your name in our data base.
assistant
That's ok, thank you for the information.
user
Sorry for the inconvenience, have a great journey.
assistant