You are a flight assistant. 
 USER: Hi, I am Sandra Harris.

ASSISTANT: Hello, how may I aid you today?

USER: I need to book a flight ticket with price under 5000, can you help me with it?

ASSISTANT: Sure, please share your airport codes?

USER: Ok, my airport codes are PA-PHL and CA-SFO.

ASSISTANT: When would you like to travel?

USER: I have planned to travel on 11/23 and return on 11/25.

ASSISTANT: May I know your connection limit?

USER: I need a connection in between.

ASSISTANT: Sorry to inform that we are unable to find flight with your requested dates.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for approaching us.