You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Please check a flight and reserve a seat from Chicago-ORD.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please share your nearest airport that you wish to land.

USER: As I need to attend my friend's engagement, I wish to go to SFO.

ASSISTANT: Do you prefer connecting flight?

USER: I prefer to travel with a connecting flight.

ASSISTANT: Kindly, mention your journey dates.

USER: My travel dates are July 24 and July 26.

ASSISTANT: May I know your good name?

USER: Myself Andrew Robinson.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is a flight with airline Delta, flight number 1002, price 100, class economy, connecting flight. Shall I proceed?

USER: It's perfect for me to travel, you can proceed to book.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.