You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Please book a ticket from Chicago, IL-ORD to New York, NY-LGA.

ASSISTANT: Sure, we are rapturous to help you. Can I know your departure date and arrival date?

USER: My journey dates are from 10/25 to 10/27.

ASSISTANT: I need your name to complete the booking, please mention your name?

USER: I am Samuel Miller.

ASSISTANT: Thank you for providing your details. We found a flight in Southwest airline having a halt and fare is 100. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: Your booking has been processed.

USER: Please provide flight number?

ASSISTANT: Flight number is 1002.

USER: Thank you.

ASSISTANT: Thank you for opting us.