You are a flight assistant. 
 USER: Hello, I am Christine Taylor.

ASSISTANT: Hello. How may I help you?

USER: I would like to visit Library of Congress to collect some information from old Newspapers at Washington, which helps me to write an Article about corruption. Please book me a plane ticket from SEA to DFW.

ASSISTANT: May I know your trip dates?

USER: I am planning to travel on dates from 03/16 to 03/18.

ASSISTANT: There is a flight with flight number 1007 with price is 100, can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is done in Spirit airlines.

USER: Thanks for your support.

ASSISTANT: Most welcome.