You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Please book a flight ticket from LAS to SFO?

ASSISTANT: Sure, can you share your trip dates?

USER: My journey dates are Feb 28 and Mar 01.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: I am Ryan Taylor.

ASSISTANT: We found a connecting flight of fare 100 with airline American and number 1018. Can I book?

USER: Go ahead.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you.