You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Jennifer Harris. I want to travel from PHX to DTW for my brothers birthday, could you please book a ticket?

ASSISTANT: Can I know your travel dates?

USER: My travelling dates are 08/15 and 08/17.

ASSISTANT: Give me a minute, let me check the details. The flight 1011 of Frontier airlines is available on your requested dates.

USER: Ok.

ASSISTANT: The price limit is 400 and with 1 connection. Shall I book the ticket?

USER: Please confirm this flight ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Welcome.