You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Myself Susan Scott. Will you help me in booking the flight ticket from ORD to MSP?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are Dec 19 and Dec 21.

ASSISTANT: Ok, wait a moment please.

USER: Ok,. I will wait for your response.

ASSISTANT: Sorry, there are no flights found on your dates.

USER: Ok, not an issue. Thank you for your information,.

ASSISTANT: Thank you for approaching us.