You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for the day?

USER: I am Brenda Gonzalez. I planned to attend for a seminar in LGA, can you please help me to book a flight ticket from EWR?

ASSISTANT: Sure, I am here to help you. Can you please share your travelling dates?

USER: I would like to travel on Oct 19 and Oct 21.

ASSISTANT: Do you have any specifications?

USER: I would like to depart in morning and return back in afternoon in a connecting flight.

ASSISTANT: Sorry, no flight found in that route.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you for choosing us.