You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michael Barker.

ASSISTANT: How can I help you?

USER: I am planning to book a ticket from HOU to JFK. Can you please help me out?

ASSISTANT: Yes, I can help you. Can you tell me your travelling dates?

USER: I would like to travel on 09/04 and return back on 09/06.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for consulting us.