You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit Chicago with my friends, can you book a ticket for me?

ASSISTANT: Sure, please tell your travelling dates and the locations?

USER: I want to fly from ORD to ORD.

ASSISTANT: Travelling dates please?

USER: I want to travel on 06/19 and return on 06/21.

ASSISTANT: May I know your name please?

USER: I am Steven Hall.

ASSISTANT: There is a flight available with 1 connection and the price is 100.

USER: You can book it.

ASSISTANT: Your reservation is done with Delta airlines and the flight number is 1003.

USER: Thank you for booking.

ASSISTANT: Thank you and have a nice day.