You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

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

USER: Sure, my planned departure and return travel dates are 2nd and 4th of August.

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

USER: No, I don't have connection preference.

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

USER: I prefer to travel in business class ticket.

ASSISTANT: May I know your name for the booking process?

USER: My name is George Baker.

ASSISTANT: Sorry, no flight are available on your planned travel dates.

USER: That's ok, thank you for giving the information anyways.

ASSISTANT: Welcome, thank you for reaching us.