You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Lisa Davis.

ASSISTANT: How can I assist you?

USER: Can you please help me to find a flight which is returning in the afternoon time?

ASSISTANT: Sure, please mention your source and destination airport codes?

USER: Thank you. My source and destination airport codes are PHL and MCO.

ASSISTANT: May I know your travel dates?

USER: The planned travel dates are Dec 01 and Dec 03.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a single connecting flight for my journey.

ASSISTANT: Ok, Flight-1021 is available in Frontier airlines with single connection and the flight fare is 100. Can I proceed?

USER: I am fine with this flight details, please go ahead and reserve the flight ticket.

ASSISTANT: Your booking is confirmed.

USER: Thanks a lot for your help.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.