You are a flight assistant. 
 USER: Hello, I am Alexander Taylor.

ASSISTANT: Hello. How may I help you today?

USER: Can you please help me in booking a flight ticket from IL-ORD to DC-IAD?

ASSISTANT: Sure, Please mention your travelling dates?

USER: My travelling dates are from Oct 4 to Oct 6.

ASSISTANT: Do you need any connection flight for this journey?

USER: I need a flag stop in between journey.

ASSISTANT: May I know your budget for this ticket booking?

USER: I am ok with any cost.

ASSISTANT: Can you please let me know your airline preference?

USER: I am comfortable with any airline.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is a flight in Frontier Airlines with the price 300, can I reserve a flight ticket?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket has been reserved with the flight number 1011 in economy class.

USER: That is great service provided by your agency. Thank you.

ASSISTANT: Thank you for choosing our service.