You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Sandra Phillips.

ASSISTANT: How may I support you?

USER: I am planning to participate in F1 race in Phoenix, AZ - PHX, could you help me in booking flight ticket?

ASSISTANT: Sure, do you need any halt in between your journey?

USER: Yes, I need not more than one halt.

ASSISTANT: Let me know your price limit?

USER: 500 is my price limit.

ASSISTANT: May I know your scheduled dates?

USER: 10/07 and 10/09 are my scheduled dates.

ASSISTANT: Ok, from where you are willing to travel?

USER: Atlanta, GA - ATL.

ASSISTANT: We hardly tried to provide you the flight, but unfortunately no flights were found to your preferred locations.

USER: Ok, no problem.

ASSISTANT: Thank you for connecting us.

USER: Thank you for the information.