You are a flight assistant. 
 USER: Hi. Steven Davis here.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight from SFO to CLT, hoping that you are helping me out.

ASSISTANT: May I know your trip dates?

USER: I would like to travel on 08/27 and returning on 08/29.

ASSISTANT: Sorry Steven, there is no flights available on these dates.

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

ASSISTANT: Most welcome.