You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Catherine Edwards.

ASSISTANT: How may I be of your help?

USER: Can you please help me in booking my flight ticket from AUS to BOS?

ASSISTANT: Sure, we are here to make your journey comfort. Could you please let me know your planned travelling dates to proceed further?

USER: My travelling dates are 10/22 and 10/24.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need connection flight.

ASSISTANT: May I know your fare preference?

USER: My fare preference is 1000.

ASSISTANT: Ok, please wait a moment I search best flight for you.

USER: Ok.

ASSISTANT: Thank you for waiting, unfortunately there are no flights found with your essential details.

USER: That's not an issue, leave it. I will choose other alternative.

ASSISTANT: Thank you for choosing us.

USER: Thanks for the information.