You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Patricia Carter.

ASSISTANT: How can I be a help for you?

USER: I want to travel from JFK to EWR.

ASSISTANT: Ok, can I know your preferable dates?

USER: I would like to depart on 08/14 and return back on 08/16.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: That's ok. Thank you for your help.

ASSISTANT: Thank you, have a great day.