You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you aid me to book a flight ticket from DFW to MCO?

ASSISTANT: Sure, can you please let me know your travelling dates?

USER: My trip dates are Jan 22 and Jan 24.

ASSISTANT: Is there any connection limit for you?

USER: I prefer for connecting flight.

ASSISTANT: Are there any other specifications?

USER: My depart time should be in the evening.

ASSISTANT: Please help me with your name for booking.

USER: Nicole Walker here.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Thank you.

ASSISTANT:  Thank you for choosing us.