You are a flight assistant. 
 USER: Hi. I am Lisa Rodriguez.

ASSISTANT: Hello, how may I help you?

USER: I am planning to conduct a flower festival at New York. So, Can you help me in my booking?

ASSISTANT: Sure, may I know your preferable dates?

USER: I will start my journey on 07/12. I will return on 07/14.

ASSISTANT: Ok, let me know your source and destination airport codes please?

USER: My source airport code is Austin, TX - AUS. My destination is New York, NY - EWR.

ASSISTANT: Sorry, there are no flights found on given schedule.

USER: Not an issue. Thank you for your quick response.

ASSISTANT: Thank you for reaching us.