You are a flight assistant. 
 USER: Hello. I am Joseph White.

ASSISTANT: Hello. How may I assist you?

USER: I need to book a flight ticket to New York for my cousin's birthday party, could you please help me in booking my flight ticket from LGA to EWR?

ASSISTANT: Sure, may I know your travel dates?

USER: My planned trip dates are 07/04 and 07/06.

ASSISTANT: What price range are you looking for?

USER: My price limit is 5000.

ASSISTANT: We found a economy flight on your details with airline Hawaiian, flight number: 1003. Shall I book this ticket?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you so much.