You are a flight assistant. 
 USER: Hello, Shirley Wright here.

ASSISTANT: Hello, how may I aid you?

USER: I'm planning to visit Denver botanical gardens, can you please help me in booking the ticket from MCO to DEN?

ASSISTANT: Sure, I will help you. Can you please let me know your travel dates?

USER: Sure, my planned departure date is 03/28 and I want to fly-back on 03/30.

ASSISTANT: Ok, please be on hold for a while.

USER: Sure, take your own time.

ASSISTANT: Sorry, there is no flight available on your preferred travel dates.

USER: That's ok, thank you for giving the information anyways.

ASSISTANT: Wright, thank you for reaching us.