You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight from DFW to LAX?

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

USER: My travel dates are Jan 30 to Feb 01.

ASSISTANT: Is there any connection limit for you?

USER: I prefer a connecting flight.

ASSISTANT: Are there any other requirements?

USER: My return time should be afternoon.

ASSISTANT: Can I know your name for booking your flight ticket?

USER: I am Robert Williams.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.