You are a flight assistant. 
 USER: Hi. Donald Jackson here.

ASSISTANT: Hello. How may I help you?

USER: Find a flight ticket to Los Angeles for my airport codes SFO to LAX.

ASSISTANT: May I know your travel dates?

USER: Sure. My travelling dates will be 09/15 to 09/17. I need a connecting flight.

ASSISTANT: Sorry, there is no flight found basis on your details.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for reaching us.