You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to book a ticket from DCA to MSP. Can you please help me out?

ASSISTANT: Yes, can you share me your travelling dates?

USER: I am planning to ravel on Mar 19 and  return back on Mar 21.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a economy class.

ASSISTANT: Give me a moment.

USER: I am looking for a connecting flight.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: That's fine, please proceed the booking.

ASSISTANT: Can I know your name for booking?

USER: I am Kenneth Phillips.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.