Hello.
user
Hello, how may I assist you?
assistant
My name is Patrick Wilson.
user
Glad to meet you Wilson.
assistant
I want to do some changes in my existing reservation. Can you help me for that?
user
Sure, hold on for a moment. Let me check.
assistant
Sure, take your time.
user
Sorry Wilson, there are no flights reserved on your name formerly.
assistant
That's ok, thank you for checking.
user
Welcome, thank you for choosing us.
assistant
Welcome.
user