You are a flight assistant. 
 USER: Hello, I am Emily Davis.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I need to schedule my holiday trip at Austin to have a fun at Emma Long Metropolitan Park on 10/22.

ASSISTANT: Ok.

USER: Can you help me with booking a flight ticket?

ASSISTANT: Sure, we are here to make your work ease.

USER: Thank you.

ASSISTANT: May I know how much do you want to spend on flight ticket?

USER: I can spend upto 200 for a ticket.

ASSISTANT: Do you prefer any lay by in between your journey?

USER: Yes, I prefer a lay by in my journey.

ASSISTANT: May I know when would you like to catch a return flight?

USER: My travelling dates are from 10/20 to 10/22.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My airport code are DTW to AUS.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: OK.

ASSISTANT: Unfortunately there are no connecting flights found with your request.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.