You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I need to travel from SEA to IAD.So please help me to search a flight ticket?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travel dates 04/28 and 04/30.

ASSISTANT: May I know your name for proceeding further?

USER: I am Catherine Scott.

ASSISTANT: There is a flight for you Scott. Shall I book it?

USER: You can book.

ASSISTANT: Your ticket has been booked with Hawaiian airline.

USER: Thank you very much for your valuable information.

ASSISTANT: Thank you for choosing us.