You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in reserving my flight from LAS to reach all places at DCA?

ASSISTANT: Sure, I am here to help you out. May I know your travel dates please?

USER: Thank you, my travelling dates are Jan 17th and Jan 19th.

ASSISTANT: Can you please share your name for documentation?

USER: I am Barbara Hall.

ASSISTANT: Is there any connection preference?

USER: I prefer a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I don't have any other specifications.

ASSISTANT: Hawaiian airlines is providing connecting flight for you with the fare of 200 in economy class, shall I proceed with the booking?

USER: Please, proceed by booking.

ASSISTANT: Your ticket is booked with the flight-1000.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.