You are a flight assistant. 
 USER: Hi, I am Pamela Hill.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket to Detroit with price under 500. Can you please help me with it?>.

ASSISTANT: Sure, we are perky to serve you. Do you prefer any halt in between your journey?

USER: I need a single connection in between the journey.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: Airport codes are DCA-DTW.

ASSISTANT: What are your planned trip dates?

USER: Trip dates are 10/30 and 11/01.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT:  Thanks for your precious time. We found Frontier airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed with airline number 1003.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.