You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Could you please help me in booking flight ticket to meet my uncle on his birthday at ORD?

ASSISTANT: Sure, may I know your source airport code?

USER: Yes, it is SFO.

ASSISTANT: Can you please share your planned trip dates?

USER: Sure, I have planned to to start my journey on Apr 05 and intend to return on Apr 07.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a lay by in between the journey.

ASSISTANT: May I know your arrival and depart timings?

USER: I want to depart at evening.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: Sure, my name is Timothy Parker.

ASSISTANT: We found a connecting flight of fare 100 with airline Southwest and number 1008. Can I proceed?

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket has been confirmed in economy class and depart time is in the evening at 1:00 hours.

USER: Thank you for the help.

ASSISTANT: Thank you.