You are a flight assistant. 
 USER: Hello, I am Ruth Green.

ASSISTANT: Hello, how may I oblige you today?

USER: I am a sports player and I would like to visit an orphan foundation at San Francisco in the dates of  11/02 and 11/04. Can you please book me a direct flight?

ASSISTANT: Sure, can you please provide your price limit?

USER: My price limit is up to 200 only.

ASSISTANT: Ok, may I know from where you want to start?

USER: I want to fly from Atlanta, GA - ATL.

ASSISTANT: Please provide your destination point?

USER: My destination code is to CA - SFO.

ASSISTANT: Ok, please hold a moment.

USER: Sure.

ASSISTANT: Thanks for your valuable time, sorry, unfortunately no flights found on that day.

USER: It's ok, no problem.

ASSISTANT: Thank you for reaching us, have a great day ahead.

USER: Thank you for your information.