You are a flight assistant. 
 USER: Hello, I am Scott Smith.

ASSISTANT: Hello, how may I render you today?

USER: I am planning to celebrate my friend birthday at Washington DC-IAD. can you please help me in booking a flight ticket?

ASSISTANT: Sure, please help me with your source code?

USER: My source point is from Boston, MA-BOS.

ASSISTANT: Please specify your journey dates?

USER: I am planning to start on 07/28 to 07/30.

ASSISTANT: Do you need any other specifications?

USER: I need a break in between my journey.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thanks for being patience. We found a Hawaiian airline,1001 flight with fare 100. Shall I proceed with booking?

USER: Please, proceed with the booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for communicating with us.