You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your guide for today?

USER: I am Sandra Baker. I want to book a ticket from ORD to ATL to attend seminar, can you help me in booking?

ASSISTANT: I am here to help you in booking your flight ticket. Could you please provide your planned dates of journey?

USER: I am departing on Mar 17 and return on Mar 19.

ASSISTANT: Do you have any other preferences about your journey?

USER: I need a flight with connection limit 1.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: I want to depart in evening.

ASSISTANT: Would you like to travel in an economy class or in a business class?

USER: I am comfortable to travel in business class.

ASSISTANT: Please be on hold to check the available flight for your journey.

USER: Sure, take your time.

ASSISTANT: Sorry Sandra Baker, I am not able to find a flight which travels to your region as per your requirements.

USER: That's ok, thank you for your information.

ASSISTANT: You are welcome, thank you for reaching us.