You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Donald Harris. I need to attend a meeting in Chicago.Can you help me to book a ticket from BOS to ORD?

ASSISTANT: Please share your travel dates?

USER: I want to travel on 08/15 and 08/17.

ASSISTANT: There is a flight available fare 100 and connection limit 1, shall I proceed for booking?

USER: Proceed to booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Welcome.