You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Raymond Williams, I want to book a flight from Houston, TX-IAH to meet my brother at Chicago. Can you book a flight for me?

ASSISTANT: Sure. Can I know your travelling dates?

USER: I will fly on 10/26 and return on 10/28.

ASSISTANT: Where would you like to land on?

USER: My destination airport is IL-ORD.

ASSISTANT: Do you need any break?

USER: Yes, I need a connecting flight.

ASSISTANT: We found a Delta airline, flight number:1000 and the price is 200.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.