You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please book  a flight ticket from LAS to MCO?

ASSISTANT: Sure, I will help you to book a flight ticket. May I know your travel dates?

USER: Thank you. I have planned my travel dates as Mar 06 and Mar 08.

ASSISTANT: OK, on which name do you want to book the ticket?

USER: Please proceed with my name  Laura Campbell.

ASSISTANT: Ok, please tell me your airlines preference.

USER: I would prefer normal cost airlines.

ASSISTANT: Ok, please tell me your class preference.

USER: I would prefer business class.

ASSISTANT: Ok, do you have any connection limit specification?

USER: I am looking for single connecting flight so please make sure that.

ASSISTANT: Sorry to tell you that, there are no flights available in this route with the requirements you have provided.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: You are welcome. Thank you for choosing us.

USER: Most welcome.