You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Samuel Williams. Please book a flight ticket to Detroit, DTW, because I want to attend client meeting about launching of new products.

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: My journey dates are from 01/28 to 01/30.

ASSISTANT: May I know your source point?

USER: I would like to start my journey at Washington, IAD.

ASSISTANT: Do you need any halts in between your journey?

USER: I need a whistle stop in between journey.

ASSISTANT: Ok, wait for some time.

USER: Please make it fast.

ASSISTANT: We found Spirit airline with connecting flight and number 1018 fare of 100. Shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed. Thanks for approaching us.

USER: Thanks for your service.