You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Katherine Miller here. Can you please help me in booking a connecting flight from IAD to DTW?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Sure, my trip dates are from 03/20 to 03/22.

ASSISTANT: Southwest airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket is booked with the flight-1010.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.