You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Frank Wright.

ASSISTANT: How can I help you?

USER: Can you please book a flight ticket from JFK to MSP?

ASSISTANT: Sure, can you please tell your travelling dates?

USER: Sure, I need to travel on dates of 05/23 and 05/25.

ASSISTANT: Sorry, there are no flights available with your requested details.

USER: It's ok fine, no problem.

ASSISTANT: Thank you and have a nice day.

USER: Anyway, thank you for your time.