You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: Can you please book a direct flight to Charlotte, CLT?

ASSISTANT: Sure, we are here to help you in booking. Please let me know if you have any class preference.

USER: I am comfortable with any class.

ASSISTANT: Do you have any other comforts in between your journey?

USER: No.

ASSISTANT: Could you please share your departure and arrival dates?

USER: My travelling dates are Aug 30 and Sept 1.

ASSISTANT: Can I have your name please?

USER: Sure, I am Jessica Lewis.

ASSISTANT: Where do you want to start your journey to reach NC?

USER: I want to start from Phoenix, PHX.

ASSISTANT: Thank you for sharing your journey details, please wait a moment I'll check and revert to you.

USER: Ok.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by Spirit airline with the flight number-1004. Shall I book the connecting flight?

USER: Ok, please proceed.

ASSISTANT: Your request for making reservation has been processed and you can collect your ticket at the time of check IN.

USER: Thank you.

ASSISTANT: It's pleasure to serve you. You're welcome.