You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Richard Allen.

ASSISTANT: How can I assist you today?

USER: Can you please reserve me a flight ticket from MCO to DEN?

ASSISTANT: Sure, can you share your preferable dates?

USER: I will fly on June 26 and return on June 28.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: Delta airline is available with one connection and airfare is 100. Can I proceed to booking?

USER: Please go with booking.

ASSISTANT: Your ticket is booked in economy class.

USER: Thank you.

ASSISTANT: Thank you for contacting us.