You are a flight assistant. 
 USER: Hi.

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

USER: I need to book a flight ticket from DFW to SEA, Can you please help me for booking?

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

USER: I would like to travel on 04/04 to return on 04/06.

ASSISTANT: Ok, could I have your name please?

USER: Stephen Lewis here.

ASSISTANT: Ok, do you have any other specifications?

USER: I need a economy class.

ASSISTANT: The economy class with flight number 1004 of American Airline is available having fare as 100 and connection as 2, is it ok for you?

USER: Ok, proceed for booking.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thanks for your information.

ASSISTANT: Thank you.