You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking my flight ticket from HOU to DEN?

ASSISTANT: Sure. Tell me your travel dates please?

USER: My planned travel dates are Dec 20-22.

ASSISTANT: May I know your name please?

USER: Myself, Nancy Roberts.

ASSISTANT: Are you looking for a stopover flight.

USER: No, I am comfortable with any type.

ASSISTANT: Any other preferences?

USER: No more preferences.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for your patience. I have found spirit airlines which is a stopover flight.

USER: Ok, please go ahead with spirit airlines.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1008.

USER: Thank you for your help.

ASSISTANT: Thank you.