You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am George Nelson.

ASSISTANT: What can I do you for you George Nelson?

USER: I need to fly Chicago, could you please help me in booking my flight ticket from IAD to ORD?

ASSISTANT: Sure, we will make it for you.

USER: Thank you.

ASSISTANT: When do you want to fly on?

USER: I want to fly on 05/21.

ASSISTANT: When do you want to return on?

USER: I intend to return on 05/23.

ASSISTANT: Do you prefer a halt with in your journey?

USER: I need a halt in my journey.

ASSISTANT: We found a economy class flight with a fare of 100. Shall I proceed with the Delta airline?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with the flight number 1002.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, hope we always serve you.