You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to book flight to Detroit, to attend office meeting. Can you me to book the flight ticket?

ASSISTANT: Sure, I will help you. Can you please tell me your airport codes?

USER: Sure, I want to fly from IAD and my destination airport code is DTW.

ASSISTANT: Please share with us your trip dates also.

USER: Ok, my source date of journey is 08/04 and return date is 08/06.

ASSISTANT: Please hold on for a while, let me check the availability for you.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting.

USER: It's ok.

ASSISTANT: In my search, I found a flight for you with 1 connection and airline is AA. Shall I proceed?

USER: Please book the flight for me.

ASSISTANT: Your ticket has been booked with flight number 1026.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us. May I know your name?

USER: My name is Thomas Moore.

ASSISTANT: Thank you.