You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Raymond Edwards want to attend a musical concert with my friends at NC-CLT. Can you book a ticket from IL-ORD?

ASSISTANT: Sure, to reserve a ticket may I know when you want to travel?

USER: My travel dates are 06/15 and 06/17.

ASSISTANT: Do you need any connecting flight or direct flight?

USER: I need a direct flight.

ASSISTANT: Unfortunately there are no flights running on your route.

USER: Thank you for providing information.

ASSISTANT: Thank you for reaching us.