You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I want to book a flight ticket from PHL to DEN. Can you please help me in that?

ASSISTANT: Sure, please provide your trip dates.

USER: My trip dates are June 21 to June 23.

ASSISTANT: Do you need any connection limit?

USER: I prefer to travel in connecting flight.

ASSISTANT: Can I know your timings?

USER: I don't have any particular timings.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Andrew Moore here.

ASSISTANT: There is a connecting flight in economy class with Frontier Airlines and ticket fare of 100. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket is confirmed with flight 1003.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.