You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Dorothy Clark here. Please reserve a flight ticket from PHL to ATL to meet my old friend in Atlanta.

ASSISTANT: Sure, I will aid you with that. Could you please mention your preferable travel dates?

USER: Thank you, my boarding is on Feb 19 and please book my return ticket also on Feb 21.

ASSISTANT: Do you have any preferences regarding timings of your journey?

USER: I would like to return at evening time.

ASSISTANT: Are you okay with connecting flight or you need any direct flight?

USER: I will prefer single connection for my journey.

ASSISTANT: Is there any additional preferences do you have?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: JetBlue airline flight available with connection limit 1 and fare is 300, shall I confirm this economy class flight?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1013 and this flight arrival time is 0:00 AM.

USER: Thank you for your assistance.

ASSISTANT: You are welcome Dorothy Clark.