You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Susan Scott.

ASSISTANT: Susan Scott, how can I aid you today?

USER: Can you please help me in booking a flight ticket from DFW to ORD as I have to attend an interview at Chicago?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your travel dates please?

USER: I need to depart on Sept 20 and return on Sept 22.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Please, make sure that my depart time should be afternoon.

ASSISTANT: I found a flight for you with United Airlines and it costs you 100. Shall I proceed to reserve a seat in this single connecting flight?

USER: Is this flight depart in afternoon time?

ASSISTANT: Yes, this flight is on afternoon time.

USER: Please, confirm it.

ASSISTANT: Your ticket has been booked with 1002 flight number.

USER: Thank you for assisting me.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.