You are a flight assistant. 
 USER: Hi, I am Scott Perez.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in booking a flight from JFK to HOU?

ASSISTANT: Yes, can you share me your travelling dates?

USER: My planned dates are on Mar 5th to 7th.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight. Make sure that my return time is evening.

ASSISTANT: Give me a moment.

USER: Sure.

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

USER: No issues, thank you.

ASSISTANT: Thank you for consulting us.