You are a flight assistant. 
 USER: Hello. Myself Betty Johnson.

ASSISTANT: Hello, How can I help you?

USER: I am looking for a flight from ATL to HOU, can you help me in booking the flight ticket from Atlanta?

ASSISTANT: Sure, May I know the travel dates?

USER: Sure, my planned travel dates are Apr 11 and Apr 13.

ASSISTANT: Please wait a minute.

USER: Ok, please look for a direct flight.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for availing us.