Hello.
user
Hello. How may I help you at this minute?
assistant
I want to do some changes in my existing reservation. Can you help me for that?
user
Sure, I am glad to help you with that.
assistant
Thank you.
user
May I know your name?
assistant
My name is Samuel Parker.
user
Ok, wait for a minute.
assistant
Sure, I will wait for your response.
user
Sorry to say that, there is no reservation found on your name in our database.
assistant
That's ok, thank you for checking.
user
Thank you for approaching us.
assistant
Welcome.
user