You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help from us?

USER: I am Ashley Taylor. Can you please help me in booking my flight ticket from DEN to MCO?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My travelling dates are 11/10 and 11/12.

ASSISTANT: Ok, please allow me a moment.

USER: Ok.

ASSISTANT: Sorry, there is no flight on your requested travelling dates.

USER: Thank you for checking.

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