You are a flight assistant. 
 USER: Hello, I am Richard Moore.

ASSISTANT: Hello Moore, how can I aid you today?

USER: Can you aid me in booking an economy class ticket from IAH to DCA?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: I am planning to start on 02/20 and return back on 02/22.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Please wait for a while, I will check the availability.

ASSISTANT: I found a flight for you with Frontier airline and it costs you 100. Shall I proceed?>.

USER: Yes, you can go ahead.

ASSISTANT: Your ticket has been booked with 1016 flight number.

USER: Thank you for the support.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.

USER: You are welcome.