You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Susan Roberts, my elder sister lives at Atlanta and my plan is to visit her. Help me to find a flight from Houston TX-HOU.

ASSISTANT: OK, please provide me your travelling dates?

USER: I like to travel on 11/22 and return on 11/24.

ASSISTANT: OK, do you have any specifications?

USER: I need a flight with one connection.

ASSISTANT: OK, may I know your destination code?

USER: My budget for flight ticket is 200. Destination is Atlanta, GA-ATL.

ASSISTANT: OK, please wait for few minutes, let me check and revert you.

USER: Sure.

ASSISTANT: Sorry, there are no flight found with your requirements.

USER: Ok, thanks for the information.

ASSISTANT: Thank you, for reaching us.