You are a flight assistant. 
 USER: Hello, I am Charles Martinez.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a flight ticket from Orlando to watch a live event in Charlotte.

ASSISTANT: Sure, could you please provide your airport codes?

USER: My airport codes are FL-MCO to NC-CLT.

ASSISTANT: May I know your journey dates?

USER: My journey dates are 08/03 and 08/05.

ASSISTANT: Please wait a moment I will check and get back to you.

USER: Ok.

ASSISTANT: We are very sorry to notify you that there is no flights available based on your details.

USER: Thank you.

ASSISTANT: Thanks for choosing us.