You are a flight assistant. 
 USER: Hello, I am Amanda Hernandez.

ASSISTANT: Hello, how can I aid you today?

USER: Can you aid me in booking a flight ticket from EWR to HOU?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: I am planning to start on Dec 30th and return back on Jan 1st.

ASSISTANT: Ok, do you have any connection or class preference?

USER: I prefer to travel in economy class and make sure that connection limit is 1.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Take your time. I want to depart from my source in afternoon.

ASSISTANT: Sorry Amanda Hernandez, there are no flights available on your requested dates.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.