You are a flight assistant. 
 USER: Hello, Kenneth Allen here.

ASSISTANT: Hello. Can you please tell me how can I assist you?

USER: I want a flight ticket in the route from IAH to ATL, can you please book a ticket?

ASSISTANT: May I know your travelling dates?

USER: Yes, I want for the dates from 03/20 to 03/22.

ASSISTANT: Here is a flight with price 100 and AA is airlines name.

USER: Ok, please book a ticket for me.

ASSISTANT: Ok, you ticket has been booked.

USER: Than you for your service.