You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Dennis Davis. As I am a wildlife photographer, I need to reach Philadelphia Zoo to explore new things about fauna at Philadelphia. Can you please help me in booking?

ASSISTANT: Sure, we are willing to help you. Can you please help me with your planned dates to travel?

USER: My planned dates are from 04/03 to 04/05.

ASSISTANT: Ok, please share me the airport code of Philadelphia.

USER: PHL is the airport code.

ASSISTANT: Ok, may I know your source point?

USER:  I need to leave from my nearest airport MSP.

ASSISTANT: How much can you pay for this flight ticket?

USER: I can pay only 200.

ASSISTANT: Ok, let me check the availability of flights on your route.

USER: Ok.

ASSISTANT: Sorry to inform you that there is no flight available on your dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.