You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be of your service?

USER: I need to book a flight ticket from DEN to DTW, can you help me in booking a flight ticket?

ASSISTANT: Sure, we are glad to assist you in booking. Please share your planned travelling dates to proceed further.

USER: Sure, my journey dates are Sep 26 and Sep 28.

ASSISTANT: Can I have your name please?

USER: Sure, Emma Harris here.

ASSISTANT: Are you okay with connecting flight or you need a direct flight?

USER: I prefer maximum one connection.

ASSISTANT: Would you like to avail any benefits for the comfort of your journey?

USER: I want to fly in a economy class.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Sure.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by Frontier airline with the flight number-1009 and the fare 500. Shall I book the connecting flight?

USER: Go ahead.

ASSISTANT: Your flight booking is confirmed and ticket has been emailed.

USER: Thank you for your assistance.

ASSISTANT: It's pleasure to serve you.