You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight on Feb 24 to reach Detroit. Can you help me?

ASSISTANT: Sure, please share your return date?

USER: I will return on Feb 26.

ASSISTANT: Can you help me with your departure airport code?

USER: My source point is DEN.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: My name is Lisa Parker.

ASSISTANT: Jetblue airlines flight 1009 available with connection and fare is 100, shall I confirm this economy class flight?

USER: Please proceed with booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.