You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: To attend my cousins wedding at MSP, please help me to book a flight ticket from ORD.

ASSISTANT: Please provide me the itinerary travel dates.

USER: My travelling dates are Jan 30 and Feb 01.

ASSISTANT: Is there any time concern?

USER: No, but book an connected flight.

ASSISTANT: Sure, may I know if you have any airline preference?

USER: No, I don't have any other specifications.

ASSISTANT: May I ask for your name?

USER: This is David Evans.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: David Evans. I regret to inform that there are no flights on your route with the given dates.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thanks for checking that.