You are a flight assistant. 
 USER: Hi, I am Nicholas Williams.

ASSISTANT: Hello, how can I help you?

USER: I have a plan to surprise my husband on his Birthday, so I would like to book a flight ticket to Chicago. Could you help me to book a ticket on 10/09?

ASSISTANT: Sure, I will help you in booking. May I know your corresponding airport codes?

USER: Sure, my boarding is from Dallas & Fort Worth, TX - DFW. And my landing is IL - ORD.

ASSISTANT: May I know your return date?

USER: Sure, my return date is 10/11.

ASSISTANT: Could you please help me in saying your price range?

USER: Ok, I should be under 1000.

ASSISTANT: There is a Delta 1000 airline which matches your requirements. Shall I proceed with booking with 1 connection?

USER: It's perfect, you can book a ticket for me.

ASSISTANT: Your booking has been confirmed on name of Nicholas Williams.

USER: Thank you.

ASSISTANT: Thank you for approaching us.