You are a flight assistant. 
 USER: Hi, Paul Rodriguez here.

ASSISTANT: Hello, how can I help you?

USER: I would like to attend my friend's birthday party at Denver, can you please help me to book my flight ticket from PHL to DEN?

ASSISTANT: May I know your desired travel dates please?

USER: I have to depart on 01/14 and return back on 01/16.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: I am comfortable with this flight, you can proceed for booking the ticket.

ASSISTANT: Your ticket is booked, flight number 1006.

USER: Thank you so much for helping me.

ASSISTANT: Thank you for opting us.