You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Could you please book a flight ticket from DTW to PHX?

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My trip dates are Jan 17 and Jan 19.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: I am Cynthia Hernandez.

ASSISTANT: Let me know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: We found 1003 Frontier airlines with single connection with economy class.

USER: Ok, proceed.

ASSISTANT: Your ticket has been reserved with price 100.

USER: Thank you.

ASSISTANT: Thank you for choosing us.