You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from DEN to PHX, can you please help me?

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: I want to travel on Sep 20 and Sep 22.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any connection limit for you?

USER: I need a single connecting flight.

ASSISTANT: May I know your name?

USER: My name is Pamela Collins.

ASSISTANT: Any other specifications do you need for your journey?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Frontier Airlines is providing the flight-1008 with single connection and the ticket fare is 600. Can I proceed?

USER: You can proceed.

ASSISTANT: Your flight ticket has been successfully booked in business class.

USER: Thank you.

ASSISTANT: Thanks for reaching us.