Hello.
user
Hello. How may I help you?
assistant
I want to do some changes in my existing reservation. Can you help me for that?
user
Sure, can you please help me with your name?
assistant
My name is Eric Perez.
user
Thank you. Please wait, let me check.
assistant
Sure, I will wait for your response.
user
Sorry, there is no reservation found under your name in our database.
assistant
That's ok, thank you for checking.
user
You are welcome and thank you for choosing us.
assistant
Welcome.
user