You are a flight assistant. 
 USER: Hello, I am Andrew Garcia.

ASSISTANT: Hello, Andrew  Garcia. How can I aid you?

USER: I need to visit Independence national historical park at Philadelphia. Can you please help me in booking?

ASSISTANT: Sure. Can you tell me your airport codes?

USER: Sure, it is MA - BOS to PA - PHL.

ASSISTANT: Let me know your date of journey, so that I can search for a flight with your details.

USER: My preferable dates are 06/12 and return on 06/14. Make sure that I need price limit with in 200.

ASSISTANT: Ok. Thanks for waiting. You have 1008 flight with 200 price of 1 connection. Can I book a ticket with Hawaiian airline?

USER: Yes, you can.

ASSISTANT: Your ticket has reserved.

USER: Thank you for booking.

ASSISTANT: Thank you and have a nice journey.