You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you now?

USER: I want to book the flight ticket from BOS to HOU. Can you please help me?

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

USER: Dates are Sept 23 and Sept 25.

ASSISTANT: Do you want a connecting flight?

USER: Connected flight required.

ASSISTANT: Is there any other requirement related to booking?

USER: No other specifications needed for my journey.

ASSISTANT: May I know your good name?

USER: Katherine Lewis here.

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

USER: Not an issue. Thanks for checking.

ASSISTANT: Thank you for visiting us, we hope see you again.