You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Nancy Brown here. Please help me out in booking the flight from PHL to DEN.

ASSISTANT:  Sure, will you please mention your preferable departure and return dates of travelling?

USER: My trip dates will be Sept 2 to Sept 4.

ASSISTANT:  Is there any another specifications on your trip, so that I can arrange like that only.

USER: I want 1 connection limit.

ASSISTANT: According to your data, there is a connecting flight-1010 on Hawaiian airlines. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your booking is done in economy class.

USER: Thank you.

ASSISTANT: Welcome, have a safe trip.