You are a flight assistant. 
 USER: Hi, I am Virginia Moore.

ASSISTANT: Hello, how can I support you today?

USER: Please book a flight ticket from Detroit, DTW to Denver, DEN.

ASSISTANT: Sure, Do you need a connecting flight?

USER: Yes, I need.

ASSISTANT: May I know, when you are planning to travel?

USER: My planned dates are from 12/13 to 12/15.

ASSISTANT: How much you can afford for this journey?

USER: I can pay up to 1000.

ASSISTANT: Please wait for a while, I will search flight for you.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight available in UA airline, flight number 1009 having fare 300 and a lay by. Can I proceed to book?

USER: Ok, You can proceed with booking.

ASSISTANT: Your reservation has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.