You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to travel from PHL to DTW, can you please check out is there any flight available for me?

ASSISTANT: Can you share you journey dates?

USER: Sure, my departure is on July 25 and please book my return ticket on July 27.

ASSISTANT: Do you need any connecting limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you need any class preference?

USER: No.

ASSISTANT: Can you share your timings?

USER: I can manage with any timings of my journey.

ASSISTANT: May I know your name?

USER: Sure, my name is Thomas Robinson.

ASSISTANT: If you have any other specifications, let me know?

USER: I don't have any other specifications.

ASSISTANT: There is a connecting flight in economy class with Southwest Airlines. Shall I proceed?

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

ASSISTANT: Your ticket is reserved with flight 1023.

USER: Thank you for your kind assistance.

ASSISTANT: Thank you for choosing us.

USER: Welcome.