You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I support you today?

USER: Please book a ticket from Atlanta, GA-ATL to San Francisco, CA-SFO.

ASSISTANT: Sure, help me with your journey dates.

USER: 05/07 to 05/09 are journey dates.

ASSISTANT: Ok, may I know your name please?

USER: I'm Sandra Moore.

ASSISTANT: Ok, please specify your fare limit.

USER: Fare limit is 200.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

USER: Thank you.