You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Frank Anderson here.

ASSISTANT: How can I aid you at this moment?

USER: I need your help in booking of a flight ticket from IAD to ATL for my business meeting, can you please reserve a flight ticket on those locations?

ASSISTANT: Sure, I will help you in booking flight ticket. Can you please mention your travel dates for booking flight ticket?

USER: Sure, my departure is on 07/25 and please book my return ticket on 07/27.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your time but try to bring a best flight in my route.

ASSISTANT: Based on your information, Delta airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: I am ok with this, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1008.

USER: Thank you for your help in booking of my ticket, have a great day.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Welcome.