You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Timothy King.

ASSISTANT: How can I assist you for the day?

USER: I am planning to visit Haunted Austin evening adventure in AUS.

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates, please?

USER: My trip dates are Oct 23 and 25.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your source code please?

USER: I want to start from Chicago, ORD.

ASSISTANT: Do you have any other specifications?

USER: I want to depart in the afternoon time.

ASSISTANT:  Sorry, there are no flights available for your travel dates.

USER: Ok, thank you.