You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Lisa Baker. I would like to book a ticket from DTW to LAS, can you please help me out?

ASSISTANT: Sure, may I know your travelling dates?

USER: I am travelling on these dates 07/01 and 07/03. Make sure my connection limit is 0.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Ok no problem, thank you for your services.

ASSISTANT: Most welcome.