You are a flight assistant. 
 USER: Hello. I am Brandon Jackson.

ASSISTANT: Hello, how can I best serve you now?

USER: I want to book a flight ticket to Washington DC-IAD, help me in booking my flight ticket from Philadelphia PA-PHL.

ASSISTANT: Sure, can you please share me your journey dates?

USER: My journey dates will be 11/25 to 11/27.

ASSISTANT: Do you need any lay by in between journey?

USER: I need a lay by.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight found in Hawaiian airline of flight number 1016 and fare is 100.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thanks for choosing us, have a great day.