You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please search a flight ticket from DCA to ORD?

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

USER: My trip dates are 11/15 and 11/17.

ASSISTANT: May I know your name to proceed further?

USER: Myself Donna Lewis.

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

USER: Ok, please proceed.

ASSISTANT: Your booking is confirmed with 1000 flight number.

USER: Thank you for your help.

ASSISTANT: You are welcome.