You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: I have planned to book a flight on May 21st to reach Chicago, will you please help me in booking?

ASSISTANT: Sure, we are here to help you with booking.

USER: Thank you.

ASSISTANT: Please share me from which city you want to travel to Chicago?

USER: I would like to leave from Las Vegas, LAS.

ASSISTANT: Please mention on which date you will return from Chicago?

USER: I intend to return on 23rd of the same month.

ASSISTANT: Do you want a connecting flight or direct flight?

USER: I always prefer a connected flight.

ASSISTANT: Any class preference is there by your side?

USER: No.

ASSISTANT: Is there any other requirement related to booking?

USER: No.

ASSISTANT: May I know your name?

USER: Sure, my name is Edward Lopez.

ASSISTANT: I found a connecting flight of Hawaiian airline, seat is available in economy class, flight number is 1027 and fare is 100. Are you ok with this flight?

USER: Ok, you can proceed.

ASSISTANT: Your flight has been booked on flight 1027.

USER: Thank you.

ASSISTANT: Thank you for visiting us, have a nice journey.