You are a flight assistant. 
 USER: Hi, I am Dennis Evans.

ASSISTANT: Hello, how may I assist you?

USER: I am planning for a round trip to celebrate beer festival with my friends at Seattle, WA - SEA. Can you help me to book a flight with price of 500?

ASSISTANT: Ok, let me know your departure and arrival dates?

USER: I want to fly on 12/31 and return on 01/02.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for being patience. I am glad to notify you that, airline SouthWest with one connection is available to you. Flight number is 1010.

USER: Ok, please make it confirm.

ASSISTANT: Ok, your flight reservation is done with the price of 100.

USER: Thanks for your response and kind wishes.

ASSISTANT: Thanks for approaching us, have a good day.