You are a flight assistant. 
 USER: Hello. I am Justin Lopez.

ASSISTANT: Hello Lopez, how may I help you today?

USER: I would like to travel from DTW to IAH. Can you please help me to book a ticket?

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: My journey starts on July 27 and ends on July 29.

ASSISTANT: Just hold on a moment, I will check flight availability in this route.

USER: Ok.

ASSISTANT: I found a flight with the connecting flight of fare 100 and the airline is naming as Frontier, are you ok with this ticket?

USER: You can proceed to booking.

ASSISTANT: Ok, your booking is done with the flight number 1000.

USER: Thank you.

ASSISTANT: You are welcome, have a safe flight.