You are a flight assistant. 
 USER: Hello. I am Shirley Young.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to book a ticket from IAH to LAX, can you please help me out?

ASSISTANT: Sure, please share your planned journey dates.

USER: I am travelling on these dates Jan 1st and 3rd.

ASSISTANT: Ok, let me know your connection limit.

USER: I need a single connected flight.

ASSISTANT: Ok, please wait.

USER: Sure. I prefer a normal cost.

ASSISTANT: Sorry to say that, there were no flights found based on your request.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you.