You are a flight assistant. 
 USER: Hello, Richard Lopez here.

ASSISTANT: Hello, how may I assist you?

USER: I planned to meet my family in ORD, can you please help me to book a flight ticket from DCA?

ASSISTANT: Sure, could you please let me know your journey dates?

USER: I prefer to travel on 05/08 and 05/10.

ASSISTANT: There is a flight-1001 of Southwest airline is available for you, shall I proceed?

USER: May I know the price limit?

ASSISTANT: Price is 100 with 1 connection.

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your booking is done. Welcome.

USER: Thank you for the assistance.