You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you?

USER: I like to stay in Seattle city. So, I had buyed a house in Seattle, on 11/13 I have house registration. I have move on 11/12 and return on 11/14.

ASSISTANT: Congratulations! can you please help me with your from and to location airport codes?

USER: Sure, my airport codes are from DFW to SEA.

ASSISTANT: May I know your name for our documentation purpose?

USER: Myself Frank White.

ASSISTANT: Frank, there is a flight available for you from UA airline, in which ticket costs for 100 only.

USER: Please, proceed it.

ASSISTANT: I have successfully booked your ticket as per your request, flight number is 1005.

USER: Thank you so much.

ASSISTANT: Most welcome, thank you so much for utilising our service.