You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Deborah Turner. I want to book a ticket from SFO to CLT, to meet my grandfather.

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

USER: Sure, my trip dates are 06/09 and 06/11.

ASSISTANT: Ok, please be hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry Deborah Turner, no flight is available to you on your travel dates.

USER: It's ok, thanks for your information.

ASSISTANT: My pleasure. Thank you for choosing us, have a great day.