You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Samuel Smith here.

ASSISTANT: How may I guide you today?

USER: I am looking for a flight with price below 500. Can you book it?

ASSISTANT: Ok Smith, can you provide your airport codes please?

USER: My airport codes for boarding the flight are PHL to ORD.

ASSISTANT: Ok, please share your preferable dates?

USER: Sure. My travelling dates for journey are 03/31 to 04/02.

ASSISTANT: Ok, please wait for a while. Let me check the flight available under your budget. Thank you for waiting, here there is a flight available under your price limit with single connection. Shall I proceed further in booking?

USER: You can book the flight ticket.

ASSISTANT: Your ticket has been confirmed for flight 1012 from Hawaiian airlines.

USER: Thank you.

ASSISTANT: You are welcome, thank you for choosing our agency.