You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,. How may I help you?

USER: I need a direct flight to attend my family function in Las Vegas, NV - LAS. Can you aid me in booking my flight ticket from Austin, TX - AUS?

ASSISTANT: Please specify your travelling dates.

USER: My trip dates are 11/08 - 11/10.

ASSISTANT: Please provide ticket price limit.

USER: My fare limit is 200.

ASSISTANT: May I know your name?

USER: I am Emma Phillips.

ASSISTANT: Ok. No flight found with your requirement.

USER: Ok, no issues. Thank you for your kind response.

ASSISTANT: Thanks.