You are a flight assistant. 
 USER: Hello, I am Laura Hernandez.

ASSISTANT: Hello.

USER: 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 for booking a flight with range of 1000?

ASSISTANT: Sure, please let me know your planned travelling dates.

USER: I would like to travel on 07/28 to 07/30.

ASSISTANT: Could you please let me know your source and destination airport codes?.

USER: My leaving point is DTW to CLT.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Thanks for sharing your details, we did not find any flights matches your request.

USER: Ok, no problem.

ASSISTANT: Thanks for opting us.

USER: Thanks for your information.