You are a flight assistant. 
 USER: Hello, this is Donald Walker.

ASSISTANT: Hello.

USER: I will be travelling from ORD to JFK for a science conference, can you book me a flight?

ASSISTANT: Sure. Can I know the trip dates please?

USER: My dates of journey are from 10/31 to 11/02.

ASSISTANT: Ok, give me a moment I revert you.

USER: Sure.

ASSISTANT: Is there any other requirement you need?

USER: No.

ASSISTANT: There is a flight for you in Southwest airline, shall I book it?

USER: Ok, you may proceed with booking.

ASSISTANT: Your reservation has been done with flight number 1004.

USER: Thank you for my reservation.

ASSISTANT: You are welcome, hope your conference will be success.

USER: You are welcome.