You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: Can you please help me in booking a flight ticket from Los Angeles, LAX to Atlanta, ATL?

ASSISTANT: Sure, we are glad to assist you in booking. Can I have your name please?

USER: My name is Lisa Harris.

ASSISTANT: May I know your planned travelling dates to proceed further?

USER: My journey dates are from Nov 25 to Nov 27.

ASSISTANT: Please let me know if you need a connecting flight.

USER: I need a way station in between my journey.

ASSISTANT: Could you please let me know if you have any other comforts in between your journey?

USER: My depart time is morning.

ASSISTANT: Ok, please wait a moment I'll search best flight for you.

USER: Sure.

ASSISTANT: We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: Ok, that's not a problem.

ASSISTANT: Thank you for approaching us.

USER: Thanks for your information.