You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend my friend birthday at Las Vegas, can you please book me a ticket with name of Patricia Anderson?

ASSISTANT: Sure, when are you planning to travel?

USER: I would like to leave between 12/12 and 12/14.

ASSISTANT: Please provide your airport codes.

USER: My airport codes are from OAK to LAS.

ASSISTANT: Please share your specifications.

USER: I need a connecting flight.

ASSISTANT: Spirit airlines with single connection and price is 100 of 1006 flight. Shall I proceed for booking?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank for your service.

ASSISTANT: Thank you.