You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Angela Baker, I want to book a flight on 08/20 to watch base ball game. Can you help me with booking?

ASSISTANT: Ok. May I know your journey points?

USER: I will fly to TX-AUS and fly from NY-EWR.

ASSISTANT: Kindly, mention your return date.

USER: I will return on 08/22.

ASSISTANT: Can you share the price limit?

USER: My budget is 200 for flight ticket.

ASSISTANT: You have a flight with price 800, Can I reserve your seat?

USER: No, it is more expensive for me. Thank you for the service.

ASSISTANT: Thank you for choosing us, have a nice day.