You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Nicole Gonzalez. I want to meet my cousin for her birthday, could you help me in booking the ticket?

ASSISTANT: Could you please inform your travelling dates for flight ticket reservation?

USER: It's from OAK to PHL. The dates of travel are from 12/27 to 12/29.

ASSISTANT: Please wait a moment. There is a flight ticket available with your requirements. Shall I proceed?

USER: Please book the ticket.

ASSISTANT: Ok. Your flight ticket is booked.

USER: Thank you for helping me out.

ASSISTANT: Thank you for approaching us.