You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Jeffery Collins, I plan a vacation to Charlotte. I need a flight from CA-SFO to NC-CLT.

ASSISTANT: May I know your preferable journey dates?

USER: Sure, I will travel on 07/22 and return on 07/24.

ASSISTANT: You have any other requirements?

USER: My budget for flight ticket is 500. Flight with single connection.

ASSISTANT: I have found a flight with the airline Spirit and flight number is 1019 and price is 100 with 1 connection. Can I reserve?

USER: Sure.

ASSISTANT: Your ticket has been done. Thank you for choosing us.

USER: Thank you for helping me.

ASSISTANT: Have a safe journey.