You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you aid me to book my ticket from HOU to DCA?

ASSISTANT: Sure, can I know the trip dates please?

USER: My trip dates are Aug 3 and Aug 5 respectively.

ASSISTANT: May I know your name please?

USER: Steven Phillips here.

ASSISTANT: Can I know the connecting limit please?

USER: I need a single connection limit.

ASSISTANT: Do you have any requirements?

USER: No other specifications for me.

ASSISTANT: Your ticket has been booked with flight number 1015.

USER: Thank you.

ASSISTANT: Thank you for approaching us.