You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: Kimberly Wilson here.

ASSISTANT: Yes Wilson.

USER: I want to travel from JFK to ORD.

ASSISTANT: Can I know your journey dates please?

USER: My travelling dates are from 03/11 to 03/13.

ASSISTANT: There is no flight found for you with your given details.

USER: That's ok. Thank you for your help.

ASSISTANT: Thank you for contacting us.