You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Samantha Hill, want to travel from LAX to ORD for my event. Can you please make my reservation?

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: My traveling dates are from 09/02 to 09/04.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: As per your details, there are no flights available for you on those dates.

USER: Not a problem, thank you for your assistance.

ASSISTANT: Thank you for choosing us.