You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Kimberly Davis want to visit Chicago, can you book a ticket from SEA to ORD?

ASSISTANT: Sure, could you please share your travelling dates?

USER: Sure, my travelling dates will be 06/09 and 06/11.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, there is no flight available for you.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us, have a nice day.