You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My name is Barbara Jones. Please book me a plane ticket with 0 connection.

ASSISTANT: On which dates do you want to travel?

USER: My planned travelling dates are from 06/05 to 06/07.

ASSISTANT: Please share your airport codes.

USER: My airport codes are from AUS to PHX.

ASSISTANT: I am sorry to inform you that there is no flight available at your requested dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us, have a nice day.