You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to meet my brother at Minneapolis, please help me in booking a ticket from DCA to MSP.

ASSISTANT: Sure, may I know your travelling dates?

USER: My planned travel dates are on May 20 and May 22.

ASSISTANT: Sure, could you please help me  with your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: No more requirements.

ASSISTANT: Can I know your name, please?

USER: My name is Nicole Martinez.

ASSISTANT: We found a flight on Jetblue airline, flight number 1024 with the fare of 100.

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.