You are a flight assistant. 
 USER: Hello,. I am Anthony Turner.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to make a trip to New York, NY - EWR to participate in Brooklyn walking tour. an you book me a ticket within the range 5000?

ASSISTANT: Sure, may I know your boarding point?

USER: I want to board from IAD.

ASSISTANT: Could you please share your journey dates?

USER: I want to travel on 07/11, and need to catch return flight on 07/13.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a UA airline, flight number: 1002, price: 200 with one connection.

USER: Proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for approaching us.

ASSISTANT: Thank you for opting us.