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 ORD to EWR?

ASSISTANT: Sure, can you share me your travel dates?

USER: My travel dates are July 30 to Aug 1.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Are there any other specifications?

USER: My return time should be afternoon.

ASSISTANT: Can I have your good name?

USER: I am Daniel Anderson.

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

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.