You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to flight booking agency.

USER: I'm Jacob Johnson.

ASSISTANT: How can I guide you for today?

USER: I am planning to attend music concert at Chicago, can you please help me with booking a flight ticket?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, I would like to take off on 03/18 and return back on 03/20.

ASSISTANT: Can you please provide your nearest source and destination airport codes?

USER: My source airport code is LAX and the destination airport code is ORD.

ASSISTANT: Please give me a minute, I will check for the availability of flights on this route.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Sorry, there is no flight available on this route on your requested dates.

USER: Ok, no issues. I will try another alternate way to complete my trip. Anyways, thank you for the information.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: You are welcome.