You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to visit Chicago for marriage, can you book a ticket for me?

ASSISTANT: Could you please let me know your airport codes clearly for better searching of fligths?

USER: My airport codes are AUS to ORD.

ASSISTANT: Could you please let me know your travelling dates?

USER: My travel dates are 09/11 and 09/13.

ASSISTANT: Please provide your name for further booking of the flight?

USER: My name is Alexander Hall.

ASSISTANT: I found flight as per your requirements. Flight 1004 with 0 connected flight, which costs 100 in Hawaiian airline. Shall I proceed for booking? Ok, thank you for reaching our service.

USER: No, I don't  want to book a ticket because I need a connection limit as 0.

ASSISTANT: In adavnce. Ok, thank you hope you have a great day a head.