You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Janet Hernandez and I want to book a flight from DEN to MCO, so please help me in booking a flight.

ASSISTANT: Sure, I can do that for you. May I know your travel dates?

USER: My planned dates are on June 6th to 8th.

ASSISTANT: Ok, do you have any preferences?

USER: I would like to return in morning time.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no flight available as per your request.

USER: No issues, thank you.

ASSISTANT: You are welcome and have a nice day.