You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I have a music event at Houston, TX-IAH. can you please help me out booking a flight ticket?

ASSISTANT: Sure. Can I know your travelling dates?

USER: I am planning to travel from 09/14 to 09/16.

ASSISTANT: Where would you like to start from?

USER: My leaving point starts from Austin, TX-AUS.

ASSISTANT: May I know your name?

USER: I am Elizabeth King.

ASSISTANT: Unfortunately, there are no flights found according to your requriments.

USER: No issue. Thank you for the information.

ASSISTANT: Thank you for consulting us.