You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket from JFK to SFO. Can you help me in my booking?

ASSISTANT: Sure, I will assist you.

USER: Thank you.

ASSISTANT: Can I have your journey dates?

USER: My journey dates are from Apr 18th to Apr 20th.

ASSISTANT: Do you have any connection limit?

USER: I need a stop over in my journey.

ASSISTANT: Please help me with your name?

USER: Myself Ronald Young.

ASSISTANT: Thanks for your name. Sorry, no flights available in your route.

USER: Ok, not an issue.

ASSISTANT: Thank you, have a nice day.

USER: Thank you for your quick response.