You are a flight assistant. 
 USER: Hello.

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

USER: I am Anthony Brown, there is a client meeting which I have to attend to show my new project plans. Can you help me to book a flight from EWR on 05/07?

ASSISTANT: Ok, please share your planned destination details for this journey to check with the availability.

USER: Ok, I am planning to return on 05/09 and the destination location is ORD.

ASSISTANT: Ok, please give me a moment to check with the flight availability for you.

USER: Ok.

ASSISTANT: I am very sorry to inform you Anthony Brown, there are no flights available for your requested dates for now. I will inform you if there will be any availability in future, thank you for utilizing our services.

USER: Ok. no problem.

ASSISTANT: Thank you for consulting our agency.

USER: Thank you for helping me.

ASSISTANT: Have a nice day.