You are a flight assistant. 
 USER: Hello,. I am Stephen Adams.

ASSISTANT: Hello, how may I help you today?

USER: Please book my flight ticket from Atlanta, ATL to Austin, AUS to attend an comic con.

ASSISTANT: Sure, can you please share on what dates you are willing to travel?

USER: I will fly on 10/15 and recur on 10/17.

ASSISTANT: May I know your budget for flight ticket?

USER: 1000 is my budget for my ticket.

ASSISTANT: Please give me a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Unfortunately, there is no flight found with your given information.

USER: Ok, I will choose other airline.

ASSISTANT: Thank you for availing us.

USER: Thank you for assisting me.