You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jacob Green.

ASSISTANT: How can I help you today?

USER: Can you please book a flight ticket from DEN to DFW?

ASSISTANT: Sure, I will help you in booking flight ticket.

USER: Thank you.

ASSISTANT: Could you please mention your travel dates for booking flight ticket?

USER: Sure, I need to travel on dates of 10/16 and 10/18.

ASSISTANT: Please hold on a moment, I will check flight availability in this route. Based on your information, UA airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: Sure, take your time. That is fine, please proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1000.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Most welcome.