You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Brian Scott.

ASSISTANT: How can I help you at this moment?

USER: I am looking for a flight from ORD to CLT, can you help me out?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates to proceed further?

USER: My airborne from my source and destination is on 10/27 and 10/29.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Brian Scott, there are no flight services available on this route on your provided dates.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: Thank you for contacting us.