You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Thomas Carter. I want to book a ticket to meet my old friends, can you please help me that?

ASSISTANT: Sure, we are here to help you. Let me know when you are willing to travel?

USER: I would like to leave between 08/11 and 08/13.

ASSISTANT: Can you share me your source point and destination point?'.

USER: ORD is my origin and AUS is destination.

ASSISTANT: Ok, wait for some time I will check the availability of flights and get back to you.

USER: Ok.

ASSISTANT: We found a direct flight, shall I confirm it?

USER: I need connecting flight.

ASSISTANT: There is no connecting flights. Thanks for approaching us.

USER: Ok, no problem. Thank you so much.