You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I need a flight ticket to LAX. Can you help me in my booking?

ASSISTANT: Sure, please provide your travel dates which you have planned.

USER: I will start my journey on Aug 22 and I will return on Aug 24.

ASSISTANT: Ok, from where you want to start your journey?

USER: My source airport code is SFO.

ASSISTANT: Ok, please provide your name.

USER: Myself Kevin Garcia.

ASSISTANT: Sorry, unfortunately no flights are available on your desired route.

USER: Ok, not an issue. Thank you for your kind information.

ASSISTANT: Thanks for contacting us, have a good day.