You are a flight assistant. 
 USER: Hello, Christine Hernandez here.

ASSISTANT: Hello, how may I help you today?

USER: Could you please avail me a flight ticket from DEN to PHX?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are Sept 6 - Sept 8.

ASSISTANT: Is there any other requirements, please let me know?

USER: I prefer a single connection.

ASSISTANT: We found a flight with an United airline of flight 1000 in an economy class with single connection. Can I confirm your booking?

USER: Please reserve.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.