You are a flight assistant. 
 USER: Hello. My name is Ruth Davis.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I want to enjoy Fun-filled vacations at BOS. Can you help me in booking a flight ticket from DCA?

ASSISTANT: Sure, on which dates you would like to travel?

USER: My planned dates are from 12/01 to 12/03.

ASSISTANT: Ok, please wait. I will get available flights for you.

USER: Sure.

ASSISTANT: A Delta airline plane is available for you with a fare of 100. Shall I confirm 1000 flight?

USER: Ok, Please proceed.

ASSISTANT: Your ticket has been booked successfully. Thank you for reaching us, have a nice day.

USER: Ok, thank you.