You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is George Campbell.

ASSISTANT: How can I assist you today?

USER: I have a business meeting in Chicago. Can you help me for booking a flight ticket from IAD to ORD?

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

USER: My travelling dates are 05/13 and 05/15.

ASSISTANT: Do you have any class preferences?

USER: I prefer to travel in economy class.

ASSISTANT: George Campbell, there is a flight available with price 100 and the connection is 1 with UA airline at your request. Would you like me to proceed with the booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is confirmed with 1001 flight number.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.