You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit national gallery art at Washington, DC - DCA. Can you help me book a flight ticket from Seattle?

ASSISTANT: Sure, please help me out by providing your travel dates.

USER: My journey is on 05/07 and 05/09.

ASSISTANT: Can I know your origin please?

USER: My origin is from SEA.

ASSISTANT: May I know your name to proceed further?

USER: Edward Wright is my name.

ASSISTANT: We found a connecting flight with price 100, flight number 1028. Shall I proceed for booking?

USER: Yes please.

ASSISTANT: Your ticket has been confirmed with JetBlue airline.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a safe journey!.