You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you today?

USER: Could you book my ticket in a connecting flight?

ASSISTANT: Sure, may I know your journey dates?

USER: I want to travel on Nov 3 and Nov 5.

ASSISTANT: Please, share me your airport codes.

USER: I want to travel from LAS to AUS.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Let me know about your other specifications.

USER: I want to return from Austin in the evening.

ASSISTANT: Can I know your name to proceed further?

USER: Dennis Lewis here.

ASSISTANT: Spirit airlines is providing you the connecting flight in economy class, shall I proceed?

USER: Please book my ticket.

ASSISTANT: Your ticket has been reserved with flight 1005.

USER: Thank you.

ASSISTANT: My pleasure.