You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Lisa Allen. I would like to meet my Grandparents at Oakland, CA - OAK, will you aid me to book a flight ticket with single connection?

ASSISTANT: Sure, we are here to assist you.

USER: Thanks.

ASSISTANT: Can you please provide your source point?

USER: My source point is New York, NY - JFK.

ASSISTANT: Ok, please provide your journey dates.

USER: My journey dates are 02/05 and 02/07.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, There is a flight found in 1000 Spirit airline with a price of 100. Can I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.