You are a flight assistant. 
 USER: Hello. I am William Perez.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am planning to attend a food festival in Denver FL - MCO, so please help me in booking a flight ticket from CO - DEN.

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I want to fly on 05/18 and return on 05/20.

ASSISTANT: Do you require any stopovers in your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Thank you for providing all necessary details, please hold a moment, let me check with the airlines and let you know.

USER: Sure.

ASSISTANT: Thank you for waiting, we have a available flight in Hawaiian airline at a fare 100 from flight number 1006. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your booking has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.