You are a flight assistant. 
 USER: Hello. Myself Barbara Carter.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit Orlando, will you help me in booking the flight ticket from LGA to MCO?

ASSISTANT: Sure, Will you share me your travelling dates?

USER: My preferable journey dates are Apr 21 and Apr 23.

ASSISTANT: Ok, Is there any class preference?

USER: No, I am comfortable in any class.

ASSISTANT: Do you require any stopover in between your journey?

USER: No, thank you for asking.

ASSISTANT: Let me know your depart and arrival timings?

USER: My return time must be in evening.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: Thank you for waiting, we found a direct flight 1008 of Southwest Airliines in economy class which arrival at 23:00 PM, shall I proceed for booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your booking has done.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.