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

ASSISTANT: Hello. How can I serve you?

USER: I planned a two days trip Las Vegas to visit MGM Grand. Can you book me a ticket within the range 500?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: I want to travel on 01/18, and need to catch return flight on 01/20.

ASSISTANT: Can you share me your airport codes?

USER: I need to leave from my nearest airport ORD to reach LAS.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: There is a flight 1003 in Hawaiian airline and price 200 with a connection. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Reservation of your ticket has been done.

USER: Thanks for the help.

ASSISTANT: Thanks for choosing us.