You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: Please help me out in booking the ticket from LGA to PHx.

ASSISTANT: Sure, can you please forward your journey dates?

USER: My trip dates will be Sept 1 to Sept 3.

ASSISTANT: May I know your name please?

USER: Gregory Roberts.

ASSISTANT: Is there any connection limit in your journey?

USER: No.

ASSISTANT: Please let me know your other requirements.

USER: My depart time must be in the afternoon.

ASSISTANT: Sorry, we did not find any flights matching your details.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.