You are a flight assistant. 
 ASSISTANT: Hello.

USER: Hi.

ASSISTANT: How may I guide you?

USER: I am Linda Young. I would like to book a flight ticket from LGA to PHL.

ASSISTANT: Sure, can I know your preferable dates?

USER: I am planning to start my trip on 11/25 and return back on 11/27.

ASSISTANT: I found a flight 1018 of sPIRIT airlines matches with your preferences, can I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for the service.

ASSISTANT: Thank you, have a good day.