You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I am Nancy Young. I planned to attend for a seminar in SEA, can you please help me to book a flight ticket from EWR?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I prefer to travel on 06/21 and 06/23.

ASSISTANT: The AA airline is available, is it ok for you?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your reservation is done.

USER: Thank you.

ASSISTANT: You are welcome.