You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please make a reservation from LAS to DFW to attend a meeting in Dallas?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could I have your trip dates, please?

USER: My journey start on Dec 1st, and arrival on Dec 3rd.

ASSISTANT: May I know your good name?

USER: My name is Paul Miller.

ASSISTANT: Do you have any class preference?

USER: No,  I am comfortable with any class.

ASSISTANT: Will you please let me know your depart and arrival timings?

USER: I am comfortable to travel at any time.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Please let me know your connection limit?

USER: I prefer a flight with single connection.

ASSISTANT: We found a connecting flight 1001 from Spirit airline has fare 100. Shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.