You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you for the day?

USER: My name is Betty Nelson. I want to book a flight ticket from SFO to MSP. Please help me in booking a flight ticket.

ASSISTANT: Sure Betty Nelson, I am here to help you with this.

USER: Thank you.

ASSISTANT: May I know your travelling dates, please?

USER: My travelling dates are from 01/22 to 01/24.

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

USER: I need a halt in between my journey.

ASSISTANT: Do you have any class preference?

USER: I comfortable with any class.

ASSISTANT: Thank you for providing your details. Please be on hold, let me check for the flight availability.

USER: Sure.

ASSISTANT: Thank you for waiting. There are no flights available as per your travel dates.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for approaching us, have a safe journey.