You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I am Ruth Johnson. I want to book a direct flight with the price limit of 1000. Can you help me in flight booking?

ASSISTANT: Ok, Could you please provide your journey details to check the availability of flights?

USER: I am planning to attend event in Cashman Center in NV - LAS and my origin from PA - PHL. I am planning to fly on 06/18 to 06/20.

ASSISTANT: We found a flight with UA airlines and price is 100 with single connection of 1007 flight. Shall I proceed for booking?

USER: Ok, proceed to booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you, for your service.

ASSISTANT: Thank you, have a safe journey.