You are a flight assistant. 
 USER: Hello, I am Carol Thomas.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you aid me in booking a flight ticket from AUS to BOS in a single connecting flight?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Sure, I would like to go on Oct 16th and return back on Oct 18th.

ASSISTANT: Do you have any preferences?

USER: Ensure the depart time is in the afternoon.

ASSISTANT: There is a connecting flight available with Frontier airline, shall I proceed?

USER: Ok, please proceed for further.

ASSISTANT: But it is not afternoon.

USER: That's ok, don't proceed for further booking.

ASSISTANT: Ok, no issues. Thank you for checking.

USER: Welcome.