You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Catherine Anderson. I need a flight with 1 connection, can you help me in booking?

ASSISTANT: Sure, when are you planning your journey?

USER: My travelling dates are 02/11 to 02/13.

ASSISTANT: May I know your corresponding airport codes please?

USER: I planned my journey from DCA and end at IAD.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: There is a flight with Southwest airlines available with price 100. Can I book the ticket?

USER: You can book it.

ASSISTANT: Your ticket is booked with flight 1011.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us, have a good day.