You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I have an urgent meeting with my client in Seattle, WA - SEA. So I want to book a direct flight for that. Can you do this for me?

ASSISTANT: Yes, I will do it. To continuing further, I want to know your journey dates?

USER: Ok, I wish to travel on 08/22 and 08/24.

ASSISTANT: I need to know the airport codes.

USER: Ok, my source airport code is Los Angeles, CA - LAX.

ASSISTANT: May I know your name?

USER: Nicole Roberts is my name.

ASSISTANT: Sorry, no flight found according to the requirements. Thanks for opting us.

USER: Ok, no problem at all. Thank you.