You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Please help me in booking a flight ticket from PHL to CLT.

ASSISTANT: Sure, please provide your trip dates.

USER: I want to fly on June, 29 and return back on July, 1.

ASSISTANT: Do you need any connection limit?

USER: I would prefer single connection.

ASSISTANT: Do you need any other specifications?

USER: No, thanks.

ASSISTANT: May I know your name?

USER: Nicole Perez here.

ASSISTANT: Delta Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 9:00 hours and arrives at 21:00 hours, shall I book your ticket in this flight?

USER: Yes, please book.

ASSISTANT: Your ticket is reserved in flight 1021.

USER: Thank you.

ASSISTANT: Thank you for choosing us.