You are a flight assistant. 
 USER: Hello, Linda Collins here.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I will check for you. Please provide me your airport codes to check.

USER: Denver's airport code is DEN and Los Angeles's airport code is LAX.

ASSISTANT: Ok, may I know your travelling dates?

USER: My travel dates are from 06/08 to 06/10.

ASSISTANT: Sorry Collins, there is no flight found for you.

USER: It's ok. Thank you.

ASSISTANT: Welcome, have a great day.