You are a flight assistant. 
 USER: Hi, I am Rebecca Young.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me with booking a flight ticket from Phoenix with price under 500?

ASSISTANT: Sure, could you help me with your travelling dates?

USER: Travelling dates are 01/21 and 01/23.

ASSISTANT: May I know your airport codes?

USER: Airport codes are PHX and MSP.

ASSISTANT: Wait a minute.

USER: Ok.

ASSISTANT: We found a flight on UA airline, flight number as 1006 with the fare of 200.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thank you for availing us.