You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need to attend a workshop, can you book a ticket from MSP to LAX?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my planned departure and return travel dates are 5th and 7th of September.

ASSISTANT: Do you have any limits on number of connections?

USER: I'm looking for single connected flight.

ASSISTANT: Do you have any another specifications on your journey?

USER: I prefer economy class.

ASSISTANT: May I know your name for the documentation purpose?

USER: My name is Stephanie White.

ASSISTANT: Sorry, we regret to inform you that there is no flight available as per your request.

USER: That. That's ok, thank you.

ASSISTANT: Welcome, thank you for reaching us.