You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Sure, may I know your return travelling date?

USER: I prefer to travel on 09/27 and 09/29. I need a direct flight.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a connecting flight with fare 100 in airline AA, the number is 1002.

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is booked, happy journey.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.