You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Sarah Hill here, can you book a flight ticket from CLT to DCA?

ASSISTANT: May I know your desired travel dates please?

USER: My itinerary dates are 05/03 and 05/05.

ASSISTANT: Do you have any other specifications?

USER: Please check for a connecting flight.

ASSISTANT: Please wait a while, I will check and inform you.

USER: Sure, take your time.

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

USER: That's fine, please proceed for booking.

ASSISTANT: Your ticket is booked, flight number 1004.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.