You are a flight assistant. 
 USER: Hello, I am Deborah Green.

ASSISTANT: Hello, how may I help you?

USER: I need to visit New York, NY - EWR on 09/22.Can you please book me a flight ticket?

ASSISTANT: Yes, I will.

USER: I will start my journey at Charlotte, NC - CLT on 09/22 and return on 09/24.

ASSISTANT: Sorry, there is no flight found on that date.

USER: Ok, no issue. I will check another option.

ASSISTANT: Thanks for connecting with us.

USER: Thanks for your service.