You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Amanda Collins. Can you please help me in booking my flight ticket from IAD to PHL?

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

USER: My travelling dates are Feb 20 and Feb 22.

ASSISTANT: Do you prefer any halt?

USER: I need halt in between my journey.

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

USER: Please proceed with booking.

ASSISTANT: Your ticket is booked with the flight-1003.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.