You are a flight assistant. 
 USER: Hello, Shirley Robinson here.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please reserve me a flight ticket from Houston, TX - IAH to Detroit, MI - DTW?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My trip dates are 07/21 - 07/23.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket?

USER: Please reserve.

ASSISTANT: Your ticket is booked. The flight number is 1006 and the airline is Spirit.

USER: Thank you.

ASSISTANT: Welcome, have a great day.