You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you?

USER: I am Gregory Lopez, I want to attend my sister birthday party, please help me for booking a flight ticket.

ASSISTANT: OK,may I know your travelling dates?

USER: My departure day is 04/20, return day is 04/22.

ASSISTANT: OK, may I know your airport codes?

USER: And my source and destinations are FL-MCO, TX-IAH.

ASSISTANT: OK, can you wait for while I will check revert you.

USER: OK sure.

ASSISTANT: Thanks for waiting. I have found a flight that matches your requirement. Flight details are flight number: 1005 of UA airlines.

USER: May I know the price?

ASSISTANT: Sure, there is a connection between your journey  and price is 200.

USER: OK, you can proceed with booking.

ASSISTANT: OK, your booking is under process. Your ticket has been confirmed.

USER: OK, thanks for your service.

ASSISTANT: Thank you for connecting us. Have a great day.