You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you aid me to book my ticket from DEN to PHL?

ASSISTANT: Sure, please share your journey dates?

USER: My trip dates are Sep 8 and Sep 10 respectively.

ASSISTANT: Do you have any specifications?

USER: I prefer for connecting flight.

ASSISTANT: Is there any class preference?

USER: No other preferences for me.

ASSISTANT: May I know your good name?

USER: Nancy Roberts here.

ASSISTANT: We found a flight in Hawaiian airlines, flight number is 1015 with single connection and price is 200 economy class. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.