You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to book flight ticket from PHL to ORD?

ASSISTANT: Sure, tell me your travel dates please.

USER: My trip dates are Mar 19 and Mar 21.

ASSISTANT: May I know your connection limit please?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No, thank you for asking.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for your patience. I have found a normal-cost airline that is united airlines which flies with one connection. May I know your name please?

USER: Margaret Turner here.

ASSISTANT: Can I confirm it?

USER: Ok, you can confirm it.

ASSISTANT: Yes, I have confirmed your flight ticket in flight number 1029.

USER: Thank you for booking.

ASSISTANT: Thank you.