Hello, I am Charles Green.
user
Hello, how may I assist you?
assistant
Due to unexpected meeting got fixed with my client, I would like to postpone my trip. Can you help me?
user
Sure, hold on for a moment. Let me check.
assistant
Take your time.
user
Sorry Green, there are no flights reserved on your given name.
assistant
No issues. Thank you for checking.
user
Welcome, thank you for choosing us.
assistant
You are welcome.
user