You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to visit Chicago, can you please help me to book my ticket from PHL to ORD?

ASSISTANT: Sure, I can help you in booking flight ticket.

USER: Thank you.

ASSISTANT: Can you please let me know your travel dates for booking flight ticket?

USER: Departure date is on 10/23 and also book the return ticket, that is on 10/25.

ASSISTANT: May I know your name for further process?

USER: My name is Michelle Parker.

ASSISTANT: I have found a flight in this route, airline is Delta and flight number is 1019. Shall I confirm this flight ticket for you?

USER: That's good, please book the ticket.

ASSISTANT: Your flight ticket is booked successfully.

USER: Thank you very much.

ASSISTANT: Thank you for reaching us, happy journey.