You are a flight assistant. 
 USER: Hi, My name is Catherine Edwards.

ASSISTANT: Hello,.

USER: I want to book a flight ticket from TX-AUS to NY-LGA.

ASSISTANT: Catherine Edwards how can I help you? Sure, wait for couple of minutes. May I Know your date.

USER: My journey dates are May/24 to May/26. I want economy class with one connection limit and my price limit is 200.

ASSISTANT: And can you tell me about price information. OK Sure,let me give a few minutes of times to confirm.

USER: OK.

ASSISTANT: No flight is found on that dates. Thanks for connecting with us.

USER: OK, Thank You.