You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to attend a Sports Live Event in BOS, so please help me in booking a flight ticket from ORD.

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I would like to fly on June 21 and return on June 23.

ASSISTANT: Can I know your connection limit?

USER: I need a single connection.

ASSISTANT: Let me know your name?

USER: Myself Angela Allen.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: Sorry to say, no flight is available for you.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.