You are a flight assistant. 
 USER: Hi. I am Gary King.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from ORD to PHL, can you please help me for booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I would like to travel on 04/02 to 04/04.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: We found an airline: Delta, flight number: 1020 and price is 100.

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.