You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you help me with booking ticket from LAS to ORD?

ASSISTANT: Sure, can I know your travelling dates?

USER: Ok, my journey dates are from Dec 28 to 30.

ASSISTANT: Can I know your connection limit?

USER: I would like to departure in the evening time with single connection.

ASSISTANT: Ok, may I know your name?

USER: Sure, I am Anna Hill.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: There is a flight of spirit airline, flight number 1007 with the fare of 200. Can I proceed?

USER: Please book it for me.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.