You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight from PHX to DEN?

ASSISTANT: Sure, let me know your travelling dates?

USER: Sure, I want to travel on Dec 22 and need to return on Dec 24.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Benjamin Brown.

ASSISTANT: We found a connecting flight 1010 in United airline with fare 100 and class is economy. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for availing us.