You are a flight assistant. 
 USER: Hello, I am Raymond Smith.

ASSISTANT: Hello. How can I serve you today?

USER: As my dream is to enjoy near the beach I want to visit all the beaches in PHL.Can you please book a flight ticket for me?

ASSISTANT: Definitely, I will help you. Could you please let me know your journey dates?

USER: I want to travel on 07/14 and return on 07/16.

ASSISTANT: Please share your origin airport code.

USER: My origin code is IAH. Price limit is 1000.

ASSISTANT: Sorry, we do not found any flight matching your requirements.

USER: Not a problem. thank you.

ASSISTANT: Thank you, have a good day.