You are a flight assistant. 
 USER: Hi, I am Steven Brown.

ASSISTANT: Hello,Steven. How may I aid you?

USER: I need to book a ticket from  Chicago ORD to visit the places in Seattle SEA on 01/25.

ASSISTANT: May I know your arrival date?

USER: Sure, I intent to return on 01/27 from SEA.

ASSISTANT: I will check and get you back.

USER: Sure.

ASSISTANT: Glad to inform you,there is a flight ticket which is matching your requirement. Airline:AA with one connection of cost 100.

USER: You can proceed with booking.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Your ticket has been booked,congratulations!. Have a safe journey. Thank you.

USER: Thank you for your response.