You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I be your helping hand?

USER: Could you assist me in booking a flight ticket to AUS?

ASSISTANT: Sure, Is there any connection preference?

USER: I would like to travel in a flight having maximum connection of one.

ASSISTANT: May I know your origin airport code?

USER: BOS is my origin airport code.

ASSISTANT: What are your preferred travelling dates?

USER: June 27 and June 29 are my preferable travelling dates.

ASSISTANT: Can I have your name please?

USER: My name is Brandon Walker.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thanks for holding on, there are no flights found for your journey on your travel dates.

USER: Ok, thank you for your assistance.

ASSISTANT: Thanks for reaching us.