You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can assist you today?

USER: Raymond Rodriguez here. Can you please help me in booking a flight ticket from IAD to DCA?

ASSISTANT: Sure, can you please share your travel dates?

USER: I am willing to travel on Feb 3 and need to return on Feb 5.

ASSISTANT: Do you have any class preference?

USER: Yes, I need connecting flight with fare 1000.

ASSISTANT: Raymond Rodriguez, there is a flight available with price 100 and the connection is 1 with JetBlue airline. Would you like me to proceed with the booking?

USER: Please proceed with the booking.

ASSISTANT: Your booking is confirmed with 1001 flight number.

USER: Thank you for your kind service.

ASSISTANT: You are welcome. Thank you for reaching us.