You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I abet you today?

USER: Please book a ticket from Orlando, FL-MCO to Charlotte, NC-CLT.

ASSISTANT: Sure, we are gleeful to help you. Can you please provide your journey dates that you wish to travel?

USER: My journey dates are from 05/25 to 05/27.

ASSISTANT: How much you can spend for airfare?

USER: Price limit 200.

ASSISTANT: May I know your name please?

USER: I am Jeffrey Clark.

ASSISTANT: Thank you for sharing your details. Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Thank you.

ASSISTANT: Thank you for approaching us. Have a nice day.