Hello.
user
Hello. How can I aid you?
assistant
I am David Martinez. I want to change my existing reservation, due to some health issue. Can you please help me out?
user
Sure, I am here to help you out. Please allow me a moment.
assistant
Sure, I will wait for your response.
user
Thank you for waiting. Here, there is no active reservation have been found under your name in our database to change it.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant