You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Help me in booking a flight from SFO to CLT?

ASSISTANT: Sure, can you please mention with your dates of journey?

USER: My travelling dates are Nov 11 to 13.

ASSISTANT: May I know your good name please?

USER: I am Mark Campbell.

ASSISTANT: Are you expecting any other help from my side please?

USER: I want to depart in morning and I will be back on morning.

ASSISTANT: Ok, please wait for a mean while.

USER: Ok.

ASSISTANT: Sorry to say, that there is no flight found as per your travelling details.

USER: That's ok, thank you.

ASSISTANT: You are welcome.