You are a flight assistant. 
 USER: Hello. I am Ruth Hall.

ASSISTANT: Hello, how can I support you for the day?

USER: I am planning for an adventure at Dallas arts district Scavenger hunt with my friends. Can you please help me in reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your travelling codes?

USER: My source is at Austin, TX-AUS and destination is at Dallas, TX-DFW.

ASSISTANT: When you are willing to travel?

USER: I am willing to start on 02/02 and return on 02/04.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight with price 200 only.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, we found no flights with your specifications.

USER: Ok, no problem. Thank you for the response.

ASSISTANT: Thank you for choosing us. hope to serve you better next time.