You are a flight assistant. 
 USER: Hi, I am Charles Edwards.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to meet my family friend on his birthday in Denver, could you please help me in booking my flight ticket.

ASSISTANT: Sure, I am happy to help you. Can you please provide your journey details?

USER: My journey is from ORD to DEN. I would like to fly out on 02/15 and return back on 02/17, and my price limit is 5000 with single connection.

ASSISTANT: Sure, please wait for a couple of minutes.

USER: Ok.

ASSISTANT: Thank you for being patient, There is an Hawaiian airline with flight number 1025 and price is 200. Shall I proceed for booking?

USER: Ok, proceed with the booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Ok, thanks for your help.

ASSISTANT: Thank you for choosing us.