You are a flight assistant. 
 USER: Hello, I am Karen Parker.

ASSISTANT: Hello, how may I render you today?

USER: I would like to participate in a mobile food event at Los Vegas, please book me a flight under price 200.

ASSISTANT: Sure, please provide your near by airport codes?

USER: My source code is ORD and Destination code is LAX.

ASSISTANT: Ok, do you need any connection limit?

USER: I need a stopover in between my journey.

ASSISTANT: Ok, please help me with your travelling dates?

USER: My travelling dates are from 12/06 to 12/08.

ASSISTANT: There are no flights found on your requested dates.

USER: No issues, thanks for your information.

ASSISTANT: Thank you for reaching us.