You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book the flight ticket from ATL to SFO. Can you please help me?

ASSISTANT: Sure, can you please let me know your travelling dates?

USER: My travel dates are Jan 23 and Jan 25.

ASSISTANT: Is there any connection limit for you?

USER: I need a direct flight.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I prefer to travel in economy class.

ASSISTANT: Can I know your good name?

USER: Margaret Brown.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Thank you fore the service.

ASSISTANT: Thank you for reaching us.