You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a ticket from MCO to DFW.

ASSISTANT: Sure, I will help you. Please tell me your name.

USER: My name is Steven Collins.

ASSISTANT: Thank you. May I know your travel dates?

USER: My travelling dates are from May, 24 to May, 26.

ASSISTANT: Are you looking for a stopover in your journey?

USER: I would prefer connecting flight.

ASSISTANT: Sure, please wait. Let me check. Sorry, there is no flight available on your preferred travel dates.

USER: Thanks.

ASSISTANT: You are most welcome.