You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me in booking from EWR to IAH, as there is a business meeting?

ASSISTANT: May I know your travelling dates?

USER: My trip dates are Jan 1 to Jan 3.

ASSISTANT: Please let me know your connection limit?

USER: I am looking for a stopover flight which depart in afternoon and return in morning.

ASSISTANT: Can I know your name please?

USER: I am Anthony Harris.

ASSISTANT: Sorry, no flights available on your route.

USER: No issue, thank you.

ASSISTANT: Thank you for reaching us.