You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am Justin Turner. Help me to book a direct flight from Washington to visit my friend.

ASSISTANT: Sure, May I know the journey codes?

USER: I will fly from DC-IAD to GA-ATL.

ASSISTANT: Please help me with your journey dates.

USER: I planned to travel on 06/13 and return on 06/15.

ASSISTANT: Please give a moment.

USER: Sure.

ASSISTANT: We have found a direct flight from Spirit airline. Shall I proceed?

USER: Sure.

ASSISTANT: Your ticket has been booked with the flight number 1029.

USER: Thank you for booking flight ticket for me.

ASSISTANT: Thank you for choosing us.