You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Please help me to book a flight ticket from LGA to IAH.

ASSISTANT: May I know your trip dates?

USER: My journey dates are from Apr, 15 to Apr, 17.

ASSISTANT: Is there any break you require in the journey?

USER: I need  a single connecting flight.

ASSISTANT: May I know your good name?

USER: Jason Brown.

ASSISTANT: Any other requirements you have?

USER: I prefer to depart in the afternoon.

ASSISTANT: Southwest Airlines providing connecting flight in the economy class with fare 200 which departs at 18:00 hours, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1019.

USER: Thank you.

ASSISTANT: Thank you for choosing us.