You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what services are you seeking from us?

USER: Can you please help me to book a flight from DEN to PHL?

ASSISTANT: Sure, please share me your trip dates.

USER: I want to depart on Sept 8 and need to return on Sept 10.

ASSISTANT: Which flight you have preferred to travel either a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT:  If you can help me with your name, I can begin looking up for the availability of flights.

USER: Myself Helen Wright.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I do not have any other specifications.

ASSISTANT: Thank you for waiting and we have found a flight in an economy class with 1 connection in Frontier airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Ok, please proceed.

ASSISTANT: Your booking is done with flight number 1003.

USER: Thank you.

ASSISTANT: Thank you for opting us.