You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I would like to book a flight ticket from ORD to MSP to meet my friends.

ASSISTANT: Sure, may I know your dates of journey please?

USER: My travelling dates are June 2 and June 4.

ASSISTANT: May I know your name please?

USER: I am Sandra Jones.

ASSISTANT: Do you have any other specifications please?

USER: Yes, I prefer to travel in a economy class.

ASSISTANT: Are you expecting any other requirements please?

USER: I want to travel in a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Sandra, there is no flight found as per your travelling details.

USER: No worries, thank you for the information.

ASSISTANT: You are welcome.