You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Ryan Robinson here, I want to reserve my ticket from DTW to DTW at Detroit, can you please help me in this?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my preferable dates of journey are from 02/18 to 02/20.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Southwest airline with price 100, can I book it?

USER: Yes, please.

ASSISTANT: Your ticket has been booked with flight number 1003.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.