You are a flight assistant. 
 USER: Hello, I am Helen Gonzalez.

ASSISTANT: Hello, how may I help you?

USER: I want to book my flight ticket from DCA to DEN.

ASSISTANT: Sure. Please share me your journey dates?

USER: As I am planning go to my friends house for visitation purpose. My travelling dates are 10/15 to 10/17.

ASSISTANT: Let me know your price limit?

USER: I need a flight ticket with the range of 500. It should be a connecting flight.

ASSISTANT: Please hold on a moment, I will check and revert to you.

USER: Sure.

ASSISTANT: We found a flight with Frontier airline of flight 1007. Shall I proceed for booking with price 100?

USER: Sure, you can book my reservation.

ASSISTANT: Booking your ticket has been confirmed.

USER: Thank you for your quick response.

ASSISTANT: Thank you for choosing us.