You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Helen Perez, I would like to visit Navy Pier in Chicago, can you please book a flight ticket from EWR to ORD?

ASSISTANT: Sure, can you provide me your travel dates?

USER: Sure, my travel dates are 07/30 and 08/01.

ASSISTANT: Please let me check.

USER: Sure, take a time.

ASSISTANT: I have found a flight in Delta airline, shall I proceed with the booking?

USER: Please proceed with booking.

ASSISTANT: Sure. Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.