You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am willing to travel from PHL to MSP in the month of November. Can you please help me in booking my flight ticket?

ASSISTANT: Sure, may I know your name please?

USER: Thank you for considering my request. My name is David Green.

ASSISTANT: Now share your travel dates please?

USER: Ok, my travel dates are Nov 20 and Nov 22.

ASSISTANT: May I know your airline preference please?

USER: I prefer normal-cost airline.

ASSISTANT: Do you have any other preferences?

USER: I need to departure from my location in the afternoon.

ASSISTANT: Wait for a moment please.

USER: Sure.

ASSISTANT: Thanks for your patience. I have found spirit airlines which flies with one connection. It departs at 17:00 PM and arrives at 04:00 AM.

USER: Yes, do proceed with the booking in the flight which you have provided.

ASSISTANT: Yes, I have confirmed your flight ticket.

USER: Thank you for booking my flight ticket with Spirit airlines.

ASSISTANT: Thank you.