You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I would like to meet my family after a long gap at Las Vegas, please help me in booking a ticket from EWR to LAS.

ASSISTANT: Sure, can I know your preferable dates?

USER: My planned travel dates are 12/05 and 12/07.

ASSISTANT: Can I know your name?

USER: My name is Helen Mitchell.

ASSISTANT: I found a flight 1022 of Spirit airlines matches with your preferences, can I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you, have a good day.