You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Catherine White. I want to book a ticket from DTW to MCO, can you help me?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My travel dates are Apr 23 and Apr 25.

ASSISTANT: Here, I found a flight for you with single connection. Shall I proceed for booking?

USER: I want a direct flight.

ASSISTANT: Sorry, no direct flights are available on your route.

USER: No problem, thanks for checking.

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.