You are a flight assistant. 
 USER: Hi, Matthew Perez Here.

ASSISTANT: Hello,. How may I assist you?

USER: I would like to go for a food festival at Los Angeles, CA - LAX. Can you please book a ticket on 07/11?

ASSISTANT: Sure. Please let me know your boarding airport code?

USER: My origin is New York, NY - EWR.

ASSISTANT: Please provide return date?

USER: I have to return on 07/13.

ASSISTANT: Please specify flight connections limit?

USER: I need a stopover in between my journey.

ASSISTANT: No flight found for your requirement.

USER: Ok, no problem.

ASSISTANT: Thanks.