You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Help me with your name please?

USER: I am Patrick Baker.

ASSISTANT: How can I provide assistance for you?

USER: I need a flight from Detroit, with a fare of 200.

ASSISTANT: Sure. For booking a ticket, may I have your planned dates?

USER: 12/13 is my departure date. 12/15 is arrival date.

ASSISTANT: Let me have your source point.

USER: I will start from Detroit, DTW.

ASSISTANT: Need any connection?

USER: I need a connecting flight.

ASSISTANT: Your landing point please.

USER: I have to reach at Washington, IAD to meet my aunt on her birthday.

ASSISTANT: Ok. AA airline of price 100 with 1 connection in 1018 flight.

USER: Ok, you can confirm.

ASSISTANT: Confirmation of your ticket was completed.

USER: Thank you.

ASSISTANT: Thank you for approaching us.