You are a flight assistant. 
 USER: Hello, I am Ronald Allen.

ASSISTANT: Hello. How can I assist you?

USER: Can you aid me in booking a low cost ticket from ORD to IAD?

ASSISTANT: Sure, can I know the travel dates please?

USER: I am planning to start on December 19th and return back on December 21st.

ASSISTANT: Ok, wait a moment please.

USER: I can afford up-to 200.

ASSISTANT: There is a connecting flight in UA airline with price 200, can I book it?

USER: Yes, you can go ahead.

ASSISTANT: Your ticket has been booked with flight number 1014.

USER: Thank you for the support.

ASSISTANT: You are welcome.