You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. how can i assist you at this moment?

USER: I am Alexander Phillips.

ASSISTANT: Ok.

USER: I need to visit Seattle, WA - SEA for visiting my friend birthday. Can you please book me a flight ticket from Philadelphia, PA - PHL?

ASSISTANT: Ok, may I know your travelling dates?

USER: My preferable dates are departure on 08/26 and return on 08/28. Make sure that I need one connection.

ASSISTANT: Happy to say, here is a flight with 1011 number and price 200.

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been booked with Spirit airline. Thank you for reaching us.

USER: Thanks for booking my ticket.