You are a flight assistant. 
 USER: Hello, Emily Robinson here.

ASSISTANT: Hello Emily, how can I aid you today?

USER: Could you book my ticket from LAS to DFW?

ASSISTANT: Please provide me your travelling dates.

USER: My trip dates are 09/22 and 09/24.

ASSISTANT: Please give me  a minute.

USER: Sure.

ASSISTANT: AA airlines with flight number 1004 is available for you.

USER: Please reserve my ticket.

ASSISTANT: Your booking is done successfully.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.