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

ASSISTANT: Hello, what can I do for you today?

USER: I would like to participate in a mobile food distribution event, will be conducted by soldiers. Can you book me a ticket from BOS to AUS?

ASSISTANT: Sure, may I know your scheduled travel dates?

USER: I would start on Apr 28th and return on Apr 30.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a break.

ASSISTANT: Kindly provide your budget limit.

USER: I can pay up to 5000 for this booking.

ASSISTANT: Ok, please wait I will get back to you.

USER: Sure.

ASSISTANT: We found a direct flight in AA airline of flight number 1005 with price 200.

USER: Fine, please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us.