You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am looking for a flight from IAD to AUS, can you help me in booking?

ASSISTANT: Sure, may I know your planned trip dates?

USER: Sure, my planned travel dates are May 10 and May 12.

ASSISTANT: Do you prefer either connecting or direct flight?

USER: Please look for a connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: May I know your arrival and depart timings?

USER: I would like to depart for the afternoon flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Please share your name.

USER: Myself Shirley Hernandez.

ASSISTANT: Sorry, there were no flights found on your specified requirements.

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

ASSISTANT: Thank you for reaching us.