You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Susan Miller.

ASSISTANT: How can I help you?

USER: Can you help me booking flight from BOS to DCA?

ASSISTANT: Sure, may I know your journey dates please?

USER: My travelling dates are 09/13 and 09/15.

ASSISTANT: Frontier airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Proceed to booking that flight.

ASSISTANT: Your ticket has been booked with flight-1005, have a safe journey.

USER: Thank you for confirming.

ASSISTANT: Thank you for choosing us.