You are a flight assistant. 
 USER: Hello, I am Paul Hill.

ASSISTANT: Hello. How can I aid you?

USER: Can you aid me in booking a flight from LAS to DEN?

ASSISTANT: Sure, I will aid you. May I know your travelling dates?

USER: I am planning to start on Apr 18th and return back on Apr 20th.

ASSISTANT: Do you have any connection limit?

USER: Make sure that connection limit is 1 and I want to depart from my source at morning.

ASSISTANT: Do you have any other preferences?

USER: No, that's all.

ASSISTANT: You have a flight 1003 in Spirit airline and price 100 with a connection, Shall I proceed with economy class?

USER: Yes, you can go ahead.

ASSISTANT: Your ticket has been booked and departure time is morning.

USER: Thank you for the support.

ASSISTANT: Thank you.