You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you at this moment?

USER: Please help me to book a flight ticket from LAS to DEN?

ASSISTANT: May I know your planned dates?

USER: My travelling dates are June 21 to June 23.

ASSISTANT: May I know your good name?

USER: Sandra White.

ASSISTANT: Is there any connection limit?

USER: I need a single connection of flight.

ASSISTANT: Any other preferences you have?

USER: No.

ASSISTANT: We found a connecting flight o JetBlue airline in the economy class with fare 100, Is It ok for you?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket has been confirmed with flight number 1004.

USER: Thanks for your booking.

ASSISTANT: Thank you for opting us.