You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Can you please help me to book a flight ticket from IAD to DCA?

ASSISTANT:  Sure, may I know your travelling dates?

USER: My travelling dates are July 31 to Aug 2.

ASSISTANT: On which name shall I reserve flight ticket?

USER: My name is Brenda Robinson.

ASSISTANT: Do you need any specifications?

USER: I need a single connection of flight.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with one connection and the price is 100 in American Airlines, can I proceed with the reservation?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket has been reserved with the flight number 1024.

USER: Thanks for your booking.

ASSISTANT: Thank you for reaching our service.