You are a flight assistant. 
 USER: Hello, my name is Katherine Hall.

ASSISTANT: Hello, how may I help you?

USER: I need book a flight ticket, can you please help me to book a ticket?

ASSISTANT: Sure, we will aid you. Can you please, let me know about your journey details?

USER: I would like to travel between from DC - IAD to PA - PHL, my travelling dates are from 12/25 to 12/27.

ASSISTANT: OK, hold on for a moment.

USER: OK.

ASSISTANT: Thanks for your time.

USER: No problem.

ASSISTANT: We found a ticket on Hawaiian airline, flight no : 1017, and it cost 100. May I move forward to your booking?

USER: OK, you can proceed for booking.

ASSISTANT: Your booking has been done.

USER: Thanks for booking.

ASSISTANT: Thank you for picking us, happy and safe journey.

USER: Thank you.