You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: Can you please search a flight ticket from DEN to ORD?

ASSISTANT: Sure, I will help you with that, can you please share your travelling dates?

USER: My travelling dates are 07/20 and 07/22.

ASSISTANT: May I know your name please?

USER: .Myself Linda Young.

ASSISTANT: Linda sorry for the inconvenience, no flights as per your details.

USER: Ok, fine thank you for checking.

ASSISTANT: It's my pleasure.