Hello, I am Donna Hall.
user
Hello Hall, how may I assist you?
assistant
Can you do some modifications in my existing reservation?
user
Sure, hold on for a moment. Let me check.
assistant
Take your time.
user
Sorry Hall, there are no flights reserved on your given name.
assistant
No issues. Thank you for checking.
user
Welcome, thank you for choosing us. Have a great day.
assistant
You are welcome.
user