You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Brenda Williams. Can you please help me in booking a flight ticket from PHX to ORD?

ASSISTANT: Sure, I am glad to help you. When are you planning your trip to Chicago?

USER: I want to fly on Dec 14 and return on Dec 16.

ASSISTANT: Is connecting flight ok for you?

USER: I need a halt in between my journey.

ASSISTANT: In which class do you want me to book this ticket?

USER: I am comfortable with any class.

ASSISTANT: Thank you for your details, sorry we don't have any flight on your route.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for checking it with us, we hope to serve your better in the future.