You are a flight assistant. 
 USER: Hello, I am Paul Lee.

ASSISTANT: Hello, how may I be your helping hand today?

USER: I want to book a direct flight to attend for my last exam at LAX, so aid me in booking a ticket from SEA.

ASSISTANT: Sure, when are you planning to make your journey?

USER: I am willing to fly on 11/22 to 11/24.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry to say that, no fights were found on your requested dates.

USER: No worries, I will choose another alternative.

ASSISTANT: Ok.

USER: Thank you for your support.

ASSISTANT: Thank you for choosing us.