You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to attend a Seminar in Houston. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can you help me with your travel dates?

USER: My travelling dates are Apr 18 and Apr 20.

ASSISTANT: May I know your airport codes?

USER: My airport codes are ATL and HOU.

ASSISTANT: Do you have any class preference?

USER: I want to travel in economy class.

ASSISTANT: Ok, any other requirement to be met?

USER: I need single connecting flight.

ASSISTANT: Ok, can you share your name please?

USER: My name is Nicholas Thompson.

ASSISTANT: Spirit Airlines has a connecting flight with fare 300 having an economy class seat with number 1014, shall I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is reserved.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.