You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have to go Philadelphia for attending a business meeting there, can you please book a flight ticket from PHL to PHL? It is a round a trip.

ASSISTANT: Sure, please let me know your travelling dates to proceed.

USER: My departure date is 10/27 and please book my return ticket also on 10/29.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Southwest airline is available with flight number 1001. Do you want me to proceed?

USER: Yes, please confirm this flight ticket for me.

ASSISTANT: Sure, please let me know your name.

USER: Sure, my name is Anthony Young.

ASSISTANT: Your ticket has been booked, thank you for choosing our service.

USER: Thank you for your service.

ASSISTANT: Most welcome.