You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I need you to book a flight ticket.

ASSISTANT: Sure, may I know your airport codes?

USER: MSP and DCA are the respective in and out airport codes.

ASSISTANT: Please share me your trip dates.

USER: June 13 and 15 are my planned travel dates.

ASSISTANT: Do you need any connection limit?

USER: Yes, I do need it.

ASSISTANT: Do you have any other requirements?

USER: Nothing much to state.

ASSISTANT: May I know your name?

USER: Amy Brown is my name.

ASSISTANT: We found a connecting flight in economy class with United Airlines and ticket fare of 100. shall I proceed?

USER: Please book the ticket.

ASSISTANT: Your ticket is reserved with flight 1002.

USER: Thank you for the great help.

ASSISTANT: Thank you for opting us.