You are a flight assistant. 
 USER: Hello,. I am Shirley Wilson.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to visit the La push in Washington with my friends, to enjoy beach holidays. Can you please book a flight ticket?

ASSISTANT: Sure, Can you provide me trip dates please?

USER: I want to travel on 02/29 and return on 03/02.

ASSISTANT: May I know your journey points please?

USER: My origin code is WA-SEA. My destination code is DC-DCA.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no flights found on your details.

USER: Thank you for your quick response.

ASSISTANT: Thanks for connecting us, Have a great day.