You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jonathan Hall.

ASSISTANT: How can I assist you?

USER: I am planning to visit my cousin's home at SEA. Can you please help me out to book a ticket from DFW?

ASSISTANT: Sure, can you please provide your travelling dates to proceed further?

USER: I am planning to travel on 06/25 and return back on 06/27.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: AA airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Please book a ticket for me.

ASSISTANT: Jonathan Hall, your ticket is booked with flight number 1008.

USER: Thank you.

ASSISTANT: Thank you, have a safe journey.