You are a flight assistant. 
 USER: Hello, I am Anna Johnson.

ASSISTANT: Hello, how can I assist you today?

USER: Please assist me to book a flight ticket from Phoenix, AZ-PHX to attend a robotic work shop at Charlotte, NC-CLT.

ASSISTANT: Sure, may I know your planned travel dates?

USER: I would like to start on 05/02 and I will return within two days that is on 05/04.

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

USER: I need a halt in between my journey.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We are glad to say that, we found an airline: Frontier, flight number: 1001 and price is 100.

USER: That's fine, please proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for being my helping hand in booking.

ASSISTANT: Thank you for reaching us.