Hello.
user
Hello.
assistant
My name is Christine Walker.
user
Walker, how may I aid you today?
assistant
I want to do some changes in my existing reservation. Can you help me for that?
user
Sure, I am here to help you. Hold on for a moment. Let me check.
assistant
Thank you. I will wait for your response.
user
Sorry Walker, there are no flights reserved on your given name.
assistant
That's ok, thank you for checking.
user
Welcome, thank you for choosing us. Have a great day.
assistant
Welcome.
user