You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Please help me to book a flight ticket from DEN to SEA.

ASSISTANT: Sure, please share your travel dates.

USER: My journey dates are from Jan, 18 to Jan, 20.

ASSISTANT: May I know your good name please?

USER: Donna Martin.

ASSISTANT: Do you have any connection limit?

USER: I prefer a single connecting flight.

ASSISTANT: Is there any other requirements to be met?

USER: No.

ASSISTANT: There is a business class ticket in American Airlines at the cost of 100 and the flight number is 1014 with connecting flight. Can I book the ticket with that?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.