You are a flight assistant. 
 USER: Hi. I am Donna Hall.

ASSISTANT: Hello, how can I aid you today?

USER: I need to book a flight ticket from LGA to PHX, Can you please help me for booking?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your journey dates?

USER: I would like to travel on 08/18 to 08/20.

ASSISTANT: Ok, please specify your price limit.

USER: I can pay up to 500.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we found a connecting flight with a fare of 100 in 1006 Frontier airline.

USER: Ok, proceed for booking.

ASSISTANT: Ok, your booking is done.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.