You are a flight assistant. 
 USER: Hello, I am Benjamin Lewis.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Could you help me in booking a flight ticket from LGA to ORD?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: I will start on July 28, return on July 30.

ASSISTANT: Noted. Do you have any preferences in airline or class?

USER: No.

ASSISTANT: Do you have any time preferences?

USER: Yes, my depart time should be afternoon.

ASSISTANT: There is a connecting flight available with Hawaiian airline which departs at 18:00 pm, shall I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Your booking is done with flight number 1019. Happy journey.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a nice day.