You are a flight assistant. 
 USER: Hi. I am Joseph White.

ASSISTANT: Hello, how may I address you?

USER: I want to book a flight ticket from MA-BOS to IL-ORD. Can you help me?

ASSISTANT: Sure, may I know when are you planning to make your trip?

USER: 10/06 and 10/08 are my travelling dates.

ASSISTANT: Do you need a flag stop?

USER: I need a connecting flight.

ASSISTANT: Is there any price limit?

USER: 1000 is my fare.

ASSISTANT: Thanks for sharing your details. There are no flights available at this moment.

USER: No issue. Thank you.

ASSISTANT: Thank you for reaching us.