You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to celebrate my sister birthday at famous pub in ORD, can you help me with booking?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Thank you. My travelling dates are Oct 18 and Oct 20.

ASSISTANT: Can you please share your origin airport code?

USER: My origin airport code is SEA.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Can I have your name please?

USER: I am Michael Anderson.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Southwest airlines is providing connecting flight for you with the fare of 100 in economy class, shall I proceed with the booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket is booked with the flight-1023.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.