You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Mary Paker. I want to attend a new expo at Washington DC-DCA, help me in booking my flight ticket from Minneapolis MN-MSP.

ASSISTANT: Sure, can you please share your planned dates?

USER: I want to start on 03/15, my return date is on 03/17.

ASSISTANT: May I know your budget for airfare?

USER: I can spent up to 200 in booking my flight ticket.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I need a halt with my journey.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, we have found a connected flight of UA airline, flight number-1004 and ticket fare is 100.

USER: Please proceed.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.