You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Myself Jessica Hernandez. I am heading to Dallas from DCA to attend my sister's engagement. So can you help me book a connecting flight?

ASSISTANT: Sure, I will help you to book a ticket. When are you planning to travel?

USER: My travelling dates are 02/05 to 02/07.

ASSISTANT: Could you please provide airport codes?

USER: I will fly from DCA and destination is DFW.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: AA airlines with single connection and price is 100 of 1004 flight. Shall I proceed for booking?

USER: That's great, proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thanks for choosing us.