You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you help me to book a flight ticket from DEN to HOU?

ASSISTANT: Sure, may I know your trip dates?

USER: I want to take off on 23 Aug and return on 25 Aug.

ASSISTANT: May I know your name?

USER: I am Anthony Nelson.

ASSISTANT: Which class do you prefer?

USER: I am ok with any class.

ASSISTANT: Do you have any preferences in your journey?

USER: I need a connecting flight.

ASSISTANT: Please give me a moment to check for a best flight.

USER: Sure.

ASSISTANT: Connecting flight is provided by Frontier airlines with flight number 1003 and ticket costs you 100 in economy class.

USER: Please proceed.

ASSISTANT: Your ticket is confirmed Anthony Nelson.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.