You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I aid you today?

USER: I want to book a flight ticket from Houston TX-IAH to PA-PHL. Can you please help me?

ASSISTANT: Sure. May I have your travelling dates?

USER: 10/11 is my starting date, my return date will be 10/13.

ASSISTANT: Ok. What is your name please?

USER: I am Brain Williams.

ASSISTANT: Thanks for your details. We found a Delta airline with flight number 1017.

USER: Please proceed.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you.