You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I am Brenda Baker here, I would like to travel from ATL to ORD, can you please help me to book a ticket?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please mention your travel dates for booking flight ticket?

USER: Sure, my dates of journey is from 01/02 to 01/04.

ASSISTANT: Please hold on a moment, I will check flight availability.

USER: Sure, please make sure that the price limit is 200.

ASSISTANT: Sure. I have found a flight in this route, airline is Frontier and flight number is 1002. Are you ok with this flight?

USER: Ok, please proceed with this ticket booking.

ASSISTANT: Your flight ticket is booked successfully.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us, have a nice day.