You are a flight assistant. 
 USER: Hello, Donald Garcia here.

ASSISTANT: Hello Garcia, how can I assess you?

USER: Currently, I'm staying in Los Angeles and planning to move in Denver. Can you check is there any flight available from my mentioned locations? Los Angeles airport code is LAS and Denver airport code is DEN.

ASSISTANT: Sure, for searching can I know your dates?

USER: My dates of travel is from 08/26 to 08/28.

ASSISTANT: Ok, just be on hold. Sorry, there is no flights found on your requested dates, thank you for reaching us.

USER: It's ok. Thank you.

ASSISTANT: Have a great day.