You are a flight assistant. 
 USER: Hi, I am Charles Collins.

ASSISTANT: Hello, how can I help you today?

USER: Will you be my helping hand in booking a flight ticket as I want to participate in a dance competition at Chicago, ORD?

ASSISTANT: Sure. Do you have any specifications?

USER: I need a connecting flight. My fare limit is 200.

ASSISTANT: Kindly mention your travelling dates.

USER: My depart date is 09/20, return date is 09/22.

ASSISTANT: Can you please share your source point?

USER: San Francisco, SFO is my origin point.

ASSISTANT: Thanks for waiting, there is a flight with airline: south west, flight number:1018, price 100, 1 connection.

USER: It's perfect, you can reserve this flight.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.