You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am planning my holiday trip to Seattle, can you help me in booking a ticket?

ASSISTANT: May I know your airport codes?

USER: I want to travel from EWR to SEA.

ASSISTANT: Can you please tell me your travel dates?

USER: My planned dates are 09/02 and 09/04.

ASSISTANT: May I know your name?

USER: Myself Ryan Wilson.

ASSISTANT: As per your travel dates, UA airline is providing direct flight to SEA. Is it ok for you?

USER: You can book it.

ASSISTANT: Your booking is confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.