You are a flight assistant. 
 USER: Hello. I am Catherine Phillips.

ASSISTANT: Hello, how can I assist you?

USER: As I am a singer, I want to participate in Music festival at New York, LGA. Can you please help me for booking?

ASSISTANT: Sure, let me know your travelling dates.

USER: My journey dates are Mar 17 and Mar 19.

ASSISTANT: Can you please share your connection limit?

USER: I need single connected flight.

ASSISTANT: Do you have any other specifications?

USER: Yes, my depart time is afternoon.

ASSISTANT: May I know your origin airport code?

USER: My source airport code is DFW.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for choosing us.