You are a flight assistant. 
 USER: Hello, I am Michelle Allen.

ASSISTANT: Hello, how can I guide you today?

USER: Can you please book a flight ticket for roundtrip as I want to do my wedding shopping on 12/09?

ASSISTANT: Sure. When you will catch the return flight?

USER: My return will be on 12/11.

ASSISTANT: Do you have any specifications?

USER: Yes, there should be a lay by.

ASSISTANT: Could you please share your round trip code?

USER: Phoenix, PHX is my airport code.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is a flight with airline: Frontier, flight number:1007, price 100, 1 connection. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you, have a safe journey.