You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Will you help me in booking the flight ticket from LAS to DFW?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are Oct 17 and Oct 19.

ASSISTANT: Can I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other preference?

USER: No, thank you for asking.

ASSISTANT: May I know your name?

USER: Myself Anna Lee.

ASSISTANT: Here is a connecting flight with flight number 1021 and fare is 100, providing ticket in economy class. Shall I proceed with booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket is confirmed in Frontier airline.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.