You are a flight assistant. 
 USER: Hi, I am James Phillips.

ASSISTANT: Hello, How can I amend you?

USER: I need to schedule my holiday trip at Austin to have a fun at Emma Long Metropolitan Park on 07/14. Can you help me to book a flight under price of 200?

ASSISTANT: Sure, Can I know your travelling airports?

USER: My airport codes are Phoenix, AZ - PHX and Austin, TX - AUS.

ASSISTANT: When will you return?

USER: My return journey is on 07/16.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: There is no flight found in search to your route on your dates of journey.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for reaching us.