You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need you to book a flight ticket from CLT to HOU, please help me.

ASSISTANT: Sure, may I know your planned trip dates?

USER: August 16 and 18 are my planned travelling dates.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Any other requirements to be met?

USER: Nothing much to state.

ASSISTANT: May I know your good name?

USER: Andrew Lee here.

ASSISTANT: Spirit airlines flight- 1017 of price 200 with direct flight in economy class matches your given details, shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you very much.

ASSISTANT: Thank you for reaching us.