You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I was looking a direct flight on the route from San Francisco to Atlanta to meet my mother, can you please help me?

ASSISTANT: Sure, can you please share your preferable travel dates?

USER: I would like to takeoff on 03/17 and return back on 03/19.

ASSISTANT: Could you please provide the airport codes?

USER: My airport codes for this journey will be from SFO to ATL.

ASSISTANT: May I know your name to proceed further?

USER: Myself Sandra Baker.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: My budget is only 1000 for this trip.

ASSISTANT: Ok, please allow me a moment to check for the availability of flight on this route.

USER: Sure.

ASSISTANT: Sandra, I am sorry to inform you that there is no flight available at your request.

USER: No problem, I will try to contact other agency for my journey. Thank you for checking the availability.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.