You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Kimberly Smith. I want to travel to WA-SEA  from  Il-ORD to meet my friends. Can you book a ticket?

ASSISTANT: Sure, Can you share me your travelling dates?

USER: My travel dates are 09/25 and 09/27.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting there is no flights found on your details.

USER: Thank you.

ASSISTANT: Thanks for choosing us.