You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I support you?

USER: I am Jessica Parker. Can you help me in booking a flight ticket from IAD to MSP?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: I want to travel on 05/17, and need to catch return flight on 05/19.

ASSISTANT: Do you have any class preferences?

USER: I prefer a economy class.

ASSISTANT: Do you need any halt in your journey?

USER: Yes, I need a halt.

ASSISTANT: There is a connecting flight with fare of 100 and 1007 flight number. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Your seat has been reserved with Southwest airline in economy class.

USER: Thanks for the assistance.

ASSISTANT: Thank you for choosing us.