You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Please check is there any flight available between JFK and SFO for attending my conference.

ASSISTANT: May I know your travelling dates?

USER: Sure, my boarding is on Nov 22 and please book my return ticket on Nov 24.

ASSISTANT: Can I know your name please?

USER: Sure, my name is Samuel Mitchell.

ASSISTANT: Please let me know your connection limit?

USER: I will prefer single connection.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: Sorry, no flights available on your route.

USER: Oh! Sad to hear that. Anyway, I will find another alternative. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.