You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Dorothy Thomas.

ASSISTANT: How can I assist you?

USER: I am looking for a flight from DFW to MSP. can you help me in booking the flight ticket?

ASSISTANT: Ok, may I know your travelling dates?

USER: Sure, my planned travel dates are Feb 18 and Feb 20.

ASSISTANT: Ok, please wait.

USER: Ok, make sure that I am looking for a connecting flight.

ASSISTANT: Ok, here is a connecting flight with fare 100 and 1008 as flight number in Spirit airline and providing ticket in economy class. Shall I proceed with booking?

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: Ok, your ticket ins confirmed.

USER: Thank you for your expeditious service.

ASSISTANT: Thank you for reaching us.