You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ruth Carter here.

ASSISTANT: How may I assist you?

USER: Can you please check for the flights on the route from SFO to LAX for my business trip?

ASSISTANT: Yes, can you share me your travelling dates?

USER: My desired dates are from Apr 16th to Apr 18th.

ASSISTANT: Do you have any preferences?

USER: I need depart time in morning and return time in afternoon.

ASSISTANT: Give me a moment.

USER: I only prefer 1 connection.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Oh! That's fine. Thank you for checking anyways.

ASSISTANT: Thank you for reaching us.