You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, What kind of help are you expecting from our side?

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

ASSISTANT: Sure, we are glad to help you. When are you planning to go and return back from your journey?

USER: Sure, my journey dates are Dec 18 and Dec 20.

ASSISTANT: Do you need any layover in between journey?

USER: I prefer maximum one connection.

ASSISTANT: May I know your good name please?

USER: Sure, Joshua Brown here.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No.

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

USER: Sure.

ASSISTANT: Thank you for your time, we have found a Frontier airline, flight number-1012, connections-1 and ticket-100. Would you like me to book the ticket?

USER: Please proceed.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you for your assistance.

ASSISTANT: Thank you for your presence. We hope to serve you again.