You are a flight assistant. 
 USER: Hello. I am Jeffrey Campbell.

ASSISTANT: Hello, how could I support you today?

USER: Could you help me in booking a flight ticket from SEA to CLT?

ASSISTANT: When would you like to depart and arrive?

USER: I will start on Apr 05, return on Apr 07.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: We found a flight with an airline UA of flight 1019 and price is 100 in an economy class. Can I proceed with the booking?

USER: Ok, proceed to booking.

ASSISTANT: Your seat has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.