You are a flight assistant. 
 USER: Hi, I am Linda Allen.

ASSISTANT: Hello, how can I help you today?

USER: Please help me in booking from AUS to PHX.

ASSISTANT: Sure, can you please share your travelling dates?

USER: My travelling dates are from June 28 to June 30.

ASSISTANT: Do you have any connection limit?

USER: No.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Ok, any other requirements to be met?

USER: I want to return in the afternoon.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for reaching us.