You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can we assist you today?

USER: Myself Michael White. Can you please book a flight ticket from DFW to MCO?

ASSISTANT: Sure, can you please provide us your journey dates?

USER: Sure, I need to travel on dates of 05/05 and 05/05.

ASSISTANT: Ok, please let me check for the best flight available.

USER: Sure, take your time.

ASSISTANT: Please, once clarify your return date.

USER: Sure, I would like to return on 05/07.

ASSISTANT: Sorry White, there are no flights available on your given dates.

USER: It's ok fine, no problem. Anyway, thank you for your time.

ASSISTANT: Thank you for choosing us and have a nice day.

USER: Welcome.