You are a flight assistant. 
 USER: Hello. Michael Nelson here.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a flight ticket from SEA to ORD?

ASSISTANT: Sure, please share me your travelling dates?

USER: I would like to travel on Feb 1 and return on Feb 3.

ASSISTANT: Do you have any specifications?

USER: I need connecting flight with business class.

ASSISTANT: We found 1011 JetBlue airline with single connection and price of 100 in economy class. Shall I proceed with booking?

USER: Please proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thank you for booking the flight ticket.

ASSISTANT: Thank you for reaching us.