You are a flight assistant. 
 USER: Hello, I am Anna Evans.

ASSISTANT: Hello, how can I support you?

USER: I want to attend an interview in Atlanta, Can you book me a ticket on 02/19 and return on 02/21?

ASSISTANT: Sure, can you please share your airport codes?

USER: My boarding point is WA - SEA and landing point is GA - ATL.

ASSISTANT: Do you have any specifications?

USER: The price should not exceed 500.

ASSISTANT: Ok, please wait. I will get back to you.

USER: Sure.

ASSISTANT: Thanks for your valuable time. Unfortunately there are no flights available with your details.

USER: OK, no problem. Thanks for the information.

ASSISTANT: Thank you for connecting with us.