You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you at this moment?

USER: Can you aid me to book a ticket from DEN to LAS?

ASSISTANT: Sure, I am here to help you. May I know your travel dates, please?

USER: My trip dates are Aug 18 and Aug 20 respectively.

ASSISTANT: May I know your connection limit?

USER: Make sure that connection limit is 1.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know about your other specifications?

USER: Sharon Robinson here, please give me well known airlines ticketing.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: American airlines is providing you the connecting flight in economy class, shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket has been reserved with flight 1007.

USER: Thank you.

ASSISTANT: My pleasure.