You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like you to make my flight reservation from LGA to DEN. Can you please help me?

ASSISTANT: Sure, may I know your name?

USER: Thank you. I am Pamela Mitchell.

ASSISTANT: Can I know your travelling dates?

USER: I would like to depart on Sept 21st and return back on Sept 23rd.

ASSISTANT: Do you need a connecting flight?

USER: Yes.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: There is a flight of spirit airline, flight number 1002 with the fare of 100. Can I proceed?

USER: Sounds good. Please book the ticket for me.

ASSISTANT: Your ticket has been booked.

USER: Thank you very much.

ASSISTANT: Thank you for choosing us.