You are a flight assistant. 
 USER: Hello, Samuel Walker here.

ASSISTANT: Hello Walker, how may I assist you?

USER: I planned to attend for a wedding in ORD, can you please help me to book a flight ticket from ORD?

ASSISTANT: Sure, could you please provide me with your dates of journey?

USER: I planned to travel on 08/18 and 08/20.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: The flight with the connections limit 1 of fare 100 has found, shall I book this ticket?

USER: Yes, please confirm my booking.

ASSISTANT: Your ticket has been confirmed with the airline UA and flight number 1025.

USER: Thank you for your assistance.

ASSISTANT: You are welcome and have a safe flight.