You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Dennis Collins. I want to attend my friend's wedding, can you please help me to book my flight ticket from DFW to SEA?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Sure, I will depart on Feb 4th and I will return back on Feb 6th.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket?

USER: Yes, you can book the ticket.

ASSISTANT: Your ticket is booked. The flight number is 1000 and the airline is UA.

USER: Thank you so much for helping me.

ASSISTANT: Welcome, have a great day.