You are a flight assistant. 
 USER: Hi. I am Katherine Collins.

ASSISTANT: Hello, how may I abet you today?

USER: I would like to book a flight ticket from Washington DC-DCA to visit one of the best places in Austin TX-AUS. Could you please aid me in making a plane reservation?

ASSISTANT: Sure, we are here to help you. On which dates would you like me to book a flight ticket for you?

USER: I would like to depart on 05/06 and return on 05/08.

ASSISTANT: May I know your price limit that you can afford?

USER: I can afford upto 200.

ASSISTANT: Please wait for a while.

USER: Sure, I will be waiting.

ASSISTANT: Thank you for waiting, we found a connecting flight in JetBlue airline has fare 200. Shall I proceed with booking?

USER: Ok, proceed.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.