You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER:  I am Jason Nelson.

ASSISTANT: How can I assist you now?

USER: Me and my wife planned to celebrate our tenth anniversary in New York EWR.Can you please help me to book the ticket from ORD?

ASSISTANT: Congratulations Nelson, I am happy to help you. Please provide me your travel dates.

USER: I planned to travel on 08/16 and 08/18.

ASSISTANT: Ok, please give me a moment.

USER: Sure.

ASSISTANT: Thank you for your patience. Sorry Nelson, no flight has matched with your dates.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your time.

ASSISTANT: You are welcome.