You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Daniel Phillips.

ASSISTANT: How can I assist you at this moment?

USER: Could you please book a flight ticket for a round trip Denver, CO-DEN?

ASSISTANT: Sure, I am happy to assist you in booking flight ticket. Can you please mention your preferable travel dates for booking flight ticket?

USER: Sure, I want to travel on dates 05/08 and 05/10.

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

USER: Sure.

ASSISTANT: 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: Yes, please proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1019.

USER: Thank you for your help.

ASSISTANT: You are welcome Daniel Phillips.