You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Steven Lee.

ASSISTANT: How can I help you at this moment?

USER: I want to travel from DEN to SEA to attend a conference meeting. Will you please help me in booking my ticket?

ASSISTANT: Sure, I am happy to aid you in flight ticket booking process. Can you please let me know your preferable travel dates for booking flight ticket?

USER: Sure, I probably planned my trip dates to depart on 08/23 and return back on 08/25.

ASSISTANT: Just hold on a moment, I will check flight availability in this route.

USER: Sure.

ASSISTANT: There is a flight available in this route as per your requested dates, airline is Delta and flight number is 1000. Are you comfortable with this flight?

USER: Proceed with booking.

ASSISTANT: Your flight ticket is booked successfully.

USER: Thank you for your help.

ASSISTANT: You are welcome Steven Lee.