You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: Can you please book a flight ticket from Las Vegas, LAS?

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

USER: Journey dates are 11/11 and 11/13.

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

USER: Yes, I need to halt in between my journey.

ASSISTANT: May I know your destination airport code?

USER: Phoenix, PHX is the destination point.

ASSISTANT: Thank you for the details, I found a direct flight 1017 of airline Southwest and fare is 100. Shall I proceed with booking?

USER: Yes, please proceed to book.

ASSISTANT: May I know your good name to complete the booking?

USER: I am Mary Jackson.

ASSISTANT: Your flight ticket has been booked.

USER: Ok, Thank you.

ASSISTANT: Thank you for visiting us.