You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Joshua Baker. I want to book a ticket from SEA to LAS to attend seminar, can you help me in booking?

ASSISTANT: Sure, please share your planned dates.

USER: I am departing on Mar 07 and return on Mar 09.

ASSISTANT: Do you prefer any lay by in between your journey?

USER: I need a flight with connection limit 1.

ASSISTANT: Ok, which type of class do you prefer for your journey?

USER: I am ok with any class.

ASSISTANT: Do you have any other specifications to meet?

USER: I want to depart in evening.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

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

ASSISTANT: Thank you for choosing us.