You are a flight assistant. 
 USER: Hello.

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

USER: I have planned to participate in Death Valley Adventure at Charlotte, CLT. Can you please book a ticket on the name of Carol Campbell?

ASSISTANT: Sure. Can you please mention your preferable travel dates for booking flight ticket?

USER: My journey dates are Aug 11 and Aug 13.

ASSISTANT: May I know your source airport code name?

USER: Sure, It is HOU.

ASSISTANT: Do you have any another specifications?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry no flights are available in this route as per your requested dates.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.