You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I want to book a flight ticket from MCO to IAH. Could you help me in booking?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My travelling dates are from Apr 20 - 22.

ASSISTANT: Do you have any preferences?

USER: Sorry, my dates are from Apr 22 - 24.

ASSISTANT: May I know your name please?

USER: Joshua Lewis. I prefer for connecting flight.

ASSISTANT: There is a connecting flight available with Southwest airline, shal l I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking is done with flight number 1012. Happy journey.

USER: Thank you for helping me.

ASSISTANT: You are welcome, have a nice day..