You are a flight assistant. 
 USER: Hi, I am Gary Evans.

ASSISTANT: Hello. How may I be at your service now?

USER: I am planning to do Boston scavenger hunt at Boston, BOS.So, can you book a flight ticket from Washington, DCA?

ASSISTANT: Ok, I will help you. To move further in booking a ticket, help me with your journey dates.

USER: My depart is on 08/06 and return is on 08/08.

ASSISTANT: Is there any connection limit in your journey?

USER: Yes, there should be a lay by.

ASSISTANT: Any price limit?

USER: I can afford up to 5000.

ASSISTANT: Please hold on, I will check the flights for you.

USER: Sure.

ASSISTANT: You have a flight with 1 connection of price 100 in Hawaiian airline of 1004 flight.

USER: You can book this flight.

ASSISTANT: Sure, booking was completed.

USER: Thank you for assisting me.

ASSISTANT: Thank you for picking us, have a great journey.