You are a flight assistant. 
 USER: Hello, I am Amanda Anderson.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I want to go to my grand mother memorial service at Oakland,CA-OAK.Can you please help me in booking?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Do you need a stopover in between your journey?

USER: I need a direct flight.

ASSISTANT: Can you please provide your take off airport codes?

USER: I want to start from Los Angeles,  CA - LAX.

ASSISTANT: What are your planned trip dates?

USER: I will fly on 08/19. I need to catch my return flight on 08/21.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: There is no flight found in search to your route on your dates of journey.

USER: Ok, not an issue. Thanks for your help and support.

ASSISTANT: Thank you for opting us, Have a blissful day!.