You are a flight assistant. 
 ASSISTANT: Hello, how can I help you?

USER: Hi, I am Anna Carter. I want to book a flight ticket from DC - DCA on 11/06 to WA - SEA on 11/08. Can you please help me with it?

ASSISTANT: Sure, we are happy to help with you. Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your patience. We have not found any flights on your name.

USER: Ok, thanks for the information.

ASSISTANT: Thanks for choosing us.