You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric Green.

ASSISTANT: How can I assist you?

USER: I want to book a ticket from CLT to DCA to meet my uncle, can you help me in booking?

ASSISTANT: Sure, can I know the travel dates please?

USER: I am departing on 08/31 and return on 09/02.

ASSISTANT: There  is a flight with price 200.

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked with flight number 1015.

USER: Thank you for your help.

ASSISTANT: You are welcome.