You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a flight ticket from IAD to ORD?

ASSISTANT: May I know your desired travel dates please?

USER: My travelling dates are Apr 13 to Apr 15.

ASSISTANT: Do you have any specifications?

USER: I need a single connection of flight.

ASSISTANT: May I know your name please?

USER: Pamela Johnson.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Is this flight departs in the morning?

ASSISTANT: There is a flight which depart in morning time.

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked, flight number 1005 with Southwest Airlines, departure time is 10:00 hours and arrival time is 4:00 hours.

USER: Thank you.

ASSISTANT: Thank you for opting us.