You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Michelle Rodriguez here. I need your help in booking of a flight ticket from IAD to DEN for an important business meeting, can you please help me out with booking of a flight ticket on those locations.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please mention your preferable travel dates for booking flight ticket?

USER: Actually, my meeting is on 07/10. So I would like to leave on 07/09 and I need your help in booking of my return ticket also. Please book my return ticket on 07/11.

ASSISTANT: Please hold on a moment, I will check is there any flight available or not in this route.

USER: Sure, take your time but please bring a best flight in my route.

ASSISTANT: Thank you for waiting. Based on your information, Hawaiian airline is ready to serve you with 1 connection with a minimum fare of 200 is available for you. Shall I proceed with this?

USER: That's great, it's perfect for me, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1018.

USER: Thank you for your assistance in booking of my ticket, you have done a great job.

ASSISTANT: You are welcome.