You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket to attend international conference about social issues in Oakland, CA - OAK. Can you book a flight ticket from Washington, DC - DCA?

ASSISTANT: Sure, may I know your price limit for this journey?

USER: I can afford up to 500.

ASSISTANT: Ok, please help me with your journey dates.

USER: My journey dates are from 05/22 to 05/24.

ASSISTANT: Thank you for providing your details, we found a flight with number 1007 and airline Hawaiian at a price of 100 with 1 connection. Shall I proceed?

USER: Ok, you may proceed.

ASSISTANT: Sure, your booking is done.

USER: I am Michael Turner. Thanks for the help.

ASSISTANT: Thank you, have a nice day.