You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am Brenda Smith. I want to book a flight ticket to visit Kerry Park with my family. Could you help me in booking a flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to fly on 11/16 and return on 11/18.

ASSISTANT: Could you please assist me with your airport codes?

USER: My source is Chicago, IL - ORD and destination is Seattle, WA - SEA.

ASSISTANT: Could you please mention your lay by's?

USER: I need a halt in between my journey.

ASSISTANT: There is a UA 1012 airline which matches your requirements. Shall I proceed with booking with fare of 100?

USER: You can proceed to booking.

ASSISTANT: Your booking has been done on name of Brenda Smith.

USER: Thank you for your kind service.

ASSISTANT: Thank you for approaching us.