You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in booking my flight ticket from IAD to SFO?

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

USER: Sure, my journey dates are from 10/28 to 10/30.

ASSISTANT: Are you looking for any preferred connections?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other specifications to be met?

USER: No.

ASSISTANT: Can I have your name to proceed further?

USER: Myself Daniel Mitchell.

ASSISTANT:  We found a direct flight of  Hawaiian airlines, flight number-1004 class-economy and fare is 100. Shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.