You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Sandra Green here. Could you book my ticket in a direct flight?

ASSISTANT: Sure, can you share me your travel dates?

USER: My itinerary dates are Aug 22 and Aug 24.

ASSISTANT: Please share me your travelling airport codes.

USER: My genesis and terminus airport codes are MCO and DEN.

ASSISTANT: Do you have any connection limit?

USER: I want direct flight.

ASSISTANT: Is there any time concern?

USER: I want to depart and return in the afternoon.

ASSISTANT: Sorry, no flights are found on your travel dates.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.