You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to watch baseball match at Charlotte, could you book my ticket from IAD?

ASSISTANT: Sure, we are here to help you. Kindly share your travel dates.

USER: My itinerary dates are Mar 9 and 11.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Please share your name.

USER: Stephanie Campbell here.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: No problem, thank you.

ASSISTANT: Thanks for reaching us.