You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I oblige you?

USER: On the name of Benjamin Green, book a ticket on 03/09.

ASSISTANT: Sure. Let me know your return date.

USER: Return date is on 03/11.

ASSISTANT: Where you want to start your journey?

USER: To have a glance at Auto-Show event, I have to fly from Charlotte, CLT.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Let me know your destination?

USER: Chicago, ORD is my destination point.

ASSISTANT: Please wait a minute.

USER: Ok, I will wait.

ASSISTANT: Thanks for waiting. There are no flights available to your destination.

USER: No problem, I will go with another flight. Thank you for addressing me.

ASSISTANT: Thank you.