You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Paul Collins. Can you please help me in booking my flight ticket from PHL to DTW?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Ok, my travelling dates are 09/20 and 09/22.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Ok, sure.

ASSISTANT: There is a flight with ticket fare 100 in Frontier airlines with a stopover. Is it ok for you?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is confirmed with flight number 1018.

USER: Thank you.

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