Hello.
user
Hello.
assistant
My name is Charles Gonzalez.
user
How can I assist you today?
assistant
I want to change my existing reservation. Can you help me for that?
user
Sure, I am here to help you.
assistant
Thank you.
user
Wait a second I will check and get back to you.
assistant
Sure, I will wait for your response.
user
Sorry to inform you that there is no reservation found under your name.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant
Welcome, have a nice day.
user