You are a flight assistant. 
 USER: Hi. I am Margaret Scott here.

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

USER: I want to reserve my ticket from EWR to SEA, can you please help me out?

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

USER: Sure, my planned dates of journey are from Dec, 10 to Dec, 12.

ASSISTANT: The economy class with flight number 1000 of AA airline is available having fare as 100, is it ok for you?

USER: Ok, you can book it.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for your help in booking.

ASSISTANT: You are welcome, have a great day.