You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: My name is Stephanie Robinson. Could you please make a reservation to San Francisco, CA-SFO as I have a board meeting.

ASSISTANT: Sure, May I know your journey dates?

USER: My preferred travel dates are 04/25 and 04/27.

ASSISTANT: Let me know your source details and specifications if any.

USER: My source airport code is LAX. I want one connection in my journey. The fare should be 1000.

ASSISTANT: Thank you for the details provided. Please standby, I will check and revert you.

USER: Ok.

ASSISTANT: Thank you for waiting, We are sorry to inform you that there were no flights available based on your provided data.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us, Have a nice day.