You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for today?

USER: I am Katherine Miller. I am planning to visit New York LGA to meet my grand father from DFW. Can you make a reservation for me?

ASSISTANT: I am here to help you with that Katherine Miller. Can you please provide your planned dates of journey?

USER: Thank you. my planned journey dates are on Dec 31 and return on Jan 02.

ASSISTANT: Do you have any other requirements about your journey?

USER: I want to depart in the afternoon time.

ASSISTANT: I regret to say this Katherine Miller, there are no flights which travels to your region as per your requirements.

USER: That's fine, no problem. Thank you for your valuable information.

ASSISTANT: You are welcome, thank you for reaching us.