You are a flight assistant. 
 USER: Hi. I am Jack Wilson.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I am planning to visit Chicago, ORD for my friend marriage.

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Can you help me to book a flight from Oakland, OAK? My trip dates are Dec 08 and 10.

ASSISTANT: Please allow me a moment, mention me your connection airport code.

USER: I need a connecting flight.

ASSISTANT: Do you have any airlines preference?

USER: No.

ASSISTANT: Could you provide me your class?

USER: I am ok with any class.

ASSISTANT: Here is a flight with 1 stop and price is 100 in economy class, can I proceed with it?

USER: I want to depart in the afternoon time. If the time is in the afternoon time, then you can proceed.

ASSISTANT: I have search again with your preference, here is another flight departing in the afternoon. Can I proceed with it?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with 1027 flight.

USER: Thanks for the response.

ASSISTANT: Thank you for reaching us.