You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Baker.

ASSISTANT: Stephanie Baker, how may I aid you?

USER: As I am a event organizer for Culture, heritage and folk festivals, I want to book a flight to Charlotte. Can you book me a ticket from ORD to CLT?

ASSISTANT: Sure, I am glad to help you. May I know your itinerary dates?

USER: I would start on Dec 11th and return on Dec 13th.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a direct flight to reach CLT.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's Ok, thanks for your response.

ASSISTANT: Thank you for reaching us.