You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to book a connecting flight from LAS to AUS?

ASSISTANT: Let me know your travel dates.

USER: Sure, I want to travel on Oct 31 and intend to return on Nov 2.

ASSISTANT: Do you have any preference?

USER: Yes, I want to travel in an normal-cost airline.

ASSISTANT: Let me know your name.

USER: My name is Amy Moore.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Ok, no problem.

ASSISTANT: Thank you.

USER: Thank you for checking.