You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Mary Green myself. I need to travel New York, can you please book flight ticket from IAH to LGA?

ASSISTANT: Sure, I am here to help me out. Please provide me your trip dates.

USER: My preferred travelling dates are 06/02 and 06/04.

ASSISTANT: Please wait a moment.

USER: Please take your time.

ASSISTANT: Here is a direct flight with airfare about 200 in 1005 AA airlines, can I proceed with it?

USER: That suits my journey, please proceed with the booking.

ASSISTANT: Your ticket has been booked with 1005 flight.

USER: Thank you for your service.

ASSISTANT: Thank you for your help.