Hello, myself Mary Perez.
user
Hello. How can I aid you today?
assistant
I want to change my departure and arrival day in my existing reservation, can you please help me out?
user
Sure, I will help you with that.
assistant
Thank you.
user
Please wait a moment, I will check your previous reservation status. There is no previous reservation found in your name.
assistant
Ok, I will wait for your response. It's ok, thank you for the information.
user
Thank you for reaching us, have a nice day.
assistant