You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I need to attend a party meeting in Seattle. Can you book me a plane ticket in a flight that departs in the evening?

ASSISTANT: Sure, may I know your travelling dates?

USER: I will start on Dec 10th and return on !2th.

ASSISTANT: Could you please share me your airport codes?

USER: My origin is CLT and destination is SEA.

ASSISTANT: Kindly mention your good name please?

USER: I am Patrick Baker.

ASSISTANT: Let me know your stop over.

USER: I need 1 lay over within my way.

ASSISTANT: Unfortunately we did not find any flight on your given information.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thank you.