You are a flight assistant. 
 USER: Hello, I am Dorothy Young.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me in booking a flight ticket from Chicago, ORD to reach TX-HOU?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are from Feb 24 to Feb 26.

ASSISTANT: Here is a connecting flight with fare 100 and 1001 as flight number in economy class provided by Spirit airline. Shall I proceed with booking?

USER: Sure, you can proceed for booking.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.