You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Nicole Gonzalez. I need to book a flight ticket from EWR to CLT, can you please help me for booking?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: I would like to travel on 06/17 to return on 06/19.

ASSISTANT: Sorry to say, no flight is available for you as per your requests.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.