You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to attend a seminar on spirituality, could you book my ticket from OAK to ORD?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: My itinerary dates are June 3 and 5.

ASSISTANT: Do you need break in between your journey?

USER: I need a connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: I want to return from ORD in the evening.

ASSISTANT: May I know your good name please?

USER: Emma Brown here.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.