You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you?

USER: Can you book a flight ticket on 05/23 and arrival on 05/25?

ASSISTANT: Sure, please provide your airport codes.

USER: My airport codes will be LAS - SFO.

ASSISTANT: Please share your specifications.

USER: My fare limit is 500.

ASSISTANT: Jetblue airlines with single connection and price is 100 of 1005 flight. Shall I proceed for booking?

USER: Ok, confirm my flight ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you.

USER: I am Nicholas Johnson.