You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Find a flight for me from DCA to HOU, to meet my sister.

ASSISTANT: Sure, may I know your planned travelling dates please?

USER: sure, my trip dates are from Apr 30 to May 02.

ASSISTANT: May I know your good name please?

USER: Ok, I am Jeffrey Thomas.

ASSISTANT: May I know your connection limit please?

USER: I need a connecting flight.

ASSISTANT: American airline is providing a connecting flight of fare 100 with economy class, shall I proceed for booking?

USER: Please confirm it.

ASSISTANT: Your ticket has been confirmed with flight number 1003.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.