You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donald Thompson from Dallas.

ASSISTANT: How may I assist you?

USER: Can you please book a flight ticket from DFW to SEA?

ASSISTANT: Sure, can you please help me with your planned travel dates?

USER: Thank you for your positive response, I want to take off on 09/12 and please confirm my return ticket also on 09/14.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: I found a flight for you in UA airlines with fare 600. Can I book your ticket?

USER: That's ok, please confirm this flight ticket for me.

ASSISTANT: Ok, your booking is confirmed with flight number 1006.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.