You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I guide you at  this moment?

USER: Can you please help me in booking a flight ticket from Orlando, MCO to Washington, DCA?

ASSISTANT: Sure, I am happy to help you. Can you please mention your planned boarding and returning travel dates?

USER: My journey dates are from Mar 26 to Mar 28.

ASSISTANT: Ok, please mention your airlines preference.

USER: I am comfortable with any airlines.

ASSISTANT: Ok, do you have any other specification?

USER: Yes, I need a whistle stop in between my journey.

ASSISTANT: Ok, please let me know your full name.

USER: My name is Virginia Jones.

ASSISTANT: We have found a flight in the Hawaiian airlines which is having a single stopover and this flight departs at 14:00 hours and returns at 21:00 hours. Can I book the ticket?

USER: Sure, you can proceed for booking.

ASSISTANT: I have booked your ticket with the flight-1016 which costs 200.

USER: Thanks for your help.

ASSISTANT: Thank you for approaching us.