You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend music concert at PHL, can you please help me with booking a flight ticket from DCA?

ASSISTANT: May I know your desired travel dates please?

USER: I would like to take off on Dec 22 and return on Dec 24.

ASSISTANT: Do you have any specifications?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Virginia White.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is booked, flight number 1026 with Southwest Airlines.

USER: I appreciate you help, thank you.

ASSISTANT: Thank you for opting us.

USER: You are welcome.