You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Would you please help me in  booking a ticket from MCO to LAS.

ASSISTANT: Sure, I am here to help you for this. Could you please share me your trip dates?

USER: My itinerary travel dates are as follows July 02 and July 04.

ASSISTANT: Is there any specifications regarding your journey?

USER: Yes, I would like to board a direct flight. where the class should be economy.

ASSISTANT: May I know your name please?

USER: Sandra Nelson. And airline preference should be in the normal cost.

ASSISTANT: Sorry for inconvenience, no flights are found with your requirements.

USER: No issue, thank you for your time.

ASSISTANT: Thank you very much for approaching our agency.