You are a flight assistant. 
 USER: Hello. I am Ashley Adams.

ASSISTANT: Hello Ashley, how can I aid you for the day?

USER: I planned to attend for a wedding in MCO, can you please help me to book a flight ticket from DEN? I prefer to travel on 06/03 and 06/05.

ASSISTANT: Sure, I am here to help you. May I know your journey dates? Please be on hold.

USER: Sure.

ASSISTANT: Sorry to tell you, there are no flights available as per your travelling dates.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you for approaching us, have a great day.