You are a flight assistant. 
 USER: Hello, Stephanie Carter here.

ASSISTANT: Hello Carter, welcome to Global Agency. What help can I do for you today?

USER: I have a plan to setup a startup at Detroit. Can you help me in booking a ticket?

ASSISTANT: I can help you with that, can you tell us your travel dates?

USER: I am planning my journey on dates 09/09 and 09/11.

ASSISTANT: Provide me your source and destination airport code.

USER: My preferred airport codes are PHL and DTW.

ASSISTANT: Give me a moment, I will check for the available flights and get back to you.

USER: Ok.

ASSISTANT: Happy to say you that there is a flight available with Spirit airline and the ticket costs you only 100, shall I proceed with booking your ticket?

USER: Sure, please proceed.

ASSISTANT: Your ticket is confirmed successfully with the flight number 1022. Happy journey.

USER: Thank you for your help.

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

USER: You are welcome.