You are a flight assistant. 
 USER: Hello. I am Brandon Lee.

ASSISTANT: Hello. How can I support you?

USER: I am planning to attend a flower festival at San-Francisco, help me in booking my flight ticket with single connection.

ASSISTANT: Sure. May I know your travelling airport codes?

USER: My origin is from NV-LAS and destination is CA-SFO.

ASSISTANT: Please share your price limit.

USER: I have 1000 as my price limit.

ASSISTANT: Your travelling dates also please.

USER: My travelling days are from 07/29 to 07/31.

ASSISTANT: You have a Delta airline, with flight number 1013. May I proceed to book?

USER: Please proceed with it.

ASSISTANT: Ok, Thanks for availing us, Your ticket has been booked.

USER: Thank you for your service.