You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I planned to meet my friend in EWR, can you please help me to book a flight ticket from SEA?

ASSISTANT: Sure, can you share your trip dates?

USER: I prefer to travel on Sep 22 and Sep 24.

ASSISTANT: Do you have any preferences?

USER: I prefer to travel in a connecting flight.

ASSISTANT: May I know your name?

USER: I am Dorothy Hill.

ASSISTANT: There is a direct flight with number 1000 in airline AA, the fare is 100 in economy class. Can I book it?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.