You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist for you?

USER: Gary Hill is here.

ASSISTANT: OK.

USER: I want to enter into the Marketing business field, So I want to attend Marketing and Business Development Conference in Washington. So, please help me with booking a flight ticket.

ASSISTANT:  Sure, I am here to assist you.

USER: Thanks.

ASSISTANT:  Can you please share me your journey locations?

USER: Sure, my journey locations are BOS and DCA.

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

USER: Yes, I need a halt.

ASSISTANT: What are your planned trip dates?

USER: My planned trip dates are 04/16 and 04/18.

ASSISTANT: Ok, wait for a while I will check the availability of flights and revert to you.

USER: OK.

ASSISTANT: Thanks for waiting. We found 1000 flight AA airline with multi connection's of flight and fare is 400. Shall I proceed to book?

USER: No, do not proceed for booking.

ASSISTANT: OK. Thank you for reaching us, have a good day.

USER: Thanks for the information.