You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you now?

USER: Please help me in booking flight ticket from BOS to AUS.

ASSISTANT: Sure, please share me your planned journey dates?

USER: My trip dates are July 30 to Aug 01.

ASSISTANT: Please mention your connection limit?

USER: I prefer to travel in connecting flight.

ASSISTANT: Is there any other requirement?

USER: No.

ASSISTANT: May I know your good name?

USER: Anthony Clark here.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your given journey data.

USER: Ok, no problem. Thank you for checking.

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