You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I assist you?

USER: I am Timothy Lewis.

ASSISTANT: Welcome to Airline Services.

USER: I would like to book a flight ticket to Chicago, to visit the Chicago cultural center with my colleagues to enjoy by watching cultural festival.

ASSISTANT: Ok.

USER: Could you please help me with reservation?

ASSISTANT: Sure, we are here to make customers happy with our assistance. May I know your journey dates?

USER: I would like to depart on 03/23 and arrival on 03/25.

ASSISTANT: Ok, can you share your airport codes?

USER: My airport codes are NV-LAS and IL-ORD.

ASSISTANT: Thank you for providing your journey details, Wait a while I will be back and revert you.

USER: Ok.

ASSISTANT: Thank you for your valuable time. We are glad to share you that, you have a flight with airline UA.

USER: You can proceed.

ASSISTANT: Your ticket has been booked with the flight number is 1009 with 1 connection and price is 200.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us, have a great day.