You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I amend you today?

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

ASSISTANT: Sure, when would like to travel?

USER: I would like to travel on 06/17.

ASSISTANT: Please share your landing airport code?

USER: I have to reach Phoenix, PHX to meet my professor.

ASSISTANT: May I know your good name?

USER: I am Sarah Brown.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: We found a flight 1020 in Spirit airline the price is 100 with one halt. Shall I proceed with booking?

USER: Yes, you can proceed to proceed to book.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing with us.