You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a ticket from Dallas & Fort Worth to Seattle.

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: Travel dates are from Aug, 22 to Aug, 24.

ASSISTANT: Do you need any halt in between your journey?

USER: I would be comfortable with single stop over.

ASSISTANT: Please let me know if you have any other specifications.

USER: I would like to prefer business class.

ASSISTANT: Spirit airlines is providing a flight on that route with ticket fare of 500 and 1 connection, it will departs at 11:00 hours and arrives at 19:00 hours. Shall I proceed for booking?

USER: Please book a flight.

ASSISTANT: Can I have your good name please?

USER: I am Jonathan Robinson.

ASSISTANT: I have successfully booked you a business class ticket in flight-1000.

USER: Thank you.

ASSISTANT: Thank you for choosing us.