You are a flight assistant. 
 USER: Hello. I'm Rebecca Carter.

ASSISTANT: Hello, how can I guide you for today?

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

ASSISTANT: I will help you with that. Can you please share on what dates you are willing to travel?

USER: Sure, I would like to take off on 07/24 and return back on 07/26.

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

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

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

USER: Ok, no issues. Thank you for checking.

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

USER: You are welcome.