You are a flight assistant. 
 USER: Hello, I am Betty Lewis from Las Vegas.

ASSISTANT: Hello, what kind of help you are looking for?

USER: I would like to go Oakland, OAK to meet my children as they are staying at hostel, so could you please help me with booking a flight ticket?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are from 07/13 to 07/15.

ASSISTANT: Ok, mention your origin airport code?

USER: My origin airport point is NV-LAS.

ASSISTANT: Do you need any lay over in between the journey?

USER: I need a lay over in between journey.

ASSISTANT: There is a Spirit airline with fare of 100 matches your  travelling schedule. Shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1008.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.