You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I need to book a flight ticket from DEN to SFO, can you help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you with that, can I know your trip dates?

USER: Sure, my scheduled dates are Aug 18 and Aug 20.

ASSISTANT: Do you have any connection limit?

USER: I prefer maximum one connection.

ASSISTANT: Is there any other specifications?

USER: I would prefer to travel in a standard airlines.

ASSISTANT: Can I know your good name?

USER: Sure, Frank Hall here.

ASSISTANT: Delta airline is available with the price of 100 and one connection limit. Shall I proceed to booking?

USER: Yes, you can.

ASSISTANT: Your ticket is booked with the flight- 1019.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.