You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please assist me to make a flight reservation from LAX to PHX?

ASSISTANT: Sure, let me know your trip dates?

USER: I have planned to travel on Apr 22nd and return on Apr 24th.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I like business class with connecting flight.

ASSISTANT: Is there any class preference?

USER: Yes, business class.

ASSISTANT: May I know your good name?

USER: Myself Mary Young.

ASSISTANT: We found a connecting flight 1000 in Frontier airline with fare 900 and class is business. Shall I proceed?

USER: Ok, book this.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.