You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I'm Jason Thomas. I am planning to attend music concert at Las Vegas, can you please help me with booking a flight ticket?

ASSISTANT: Yes, I can help you. Can you tell me your travelling dates?

USER: Sure, I would like to take off on 06/01 and return back on 06/03.

ASSISTANT: Ok, could you share me your nearest airport codes?

USER: My source airport code is SFO and the destination airport code is LAS.

ASSISTANT: Ok, give me a moment.

USER: I need a flight with 1 connection.

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

USER: Ok, no issues, Thank you for the information.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.