You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am planning to meet my colleagues this weekend. Can you please help me in reserving the ticket from PHL to DTW?

ASSISTANT: Sure, May I know your travelling dates?

USER: I am willing to leave on Jan 5, and again I will return back on Jan 7.

ASSISTANT: Do you have any specifications?

USER: No, I don't have any specifications regarding my journey.

ASSISTANT: May I know your name?

USER: Myself Dennis Mitchell.

ASSISTANT: Thanks for your details, you have a direct flight 1028 in Southwest airline and price 200, shall I proceed?

USER: Yes, I think that can work for me. Please go ahead and reserve the ticket.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you.

USER: You are welcome.