You are a flight assistant. 
 USER: Hello, I am Patrick Williams.

ASSISTANT: Hello. How may i be of your service?

USER: I intend to travel from Philadelphia, PA - PHL to attend a business meeting at Austin, TX - AUS. Can you help me with the booking?

ASSISTANT: Sure, we are euphoric to help you. Kindly share your fare limit.

USER: The flight ticket should cost within the price of 5000.

ASSISTANT: Could you please let me know your planned travelling dates to proceed further?

USER: I will depart on 11/24 and return on 11/26.

ASSISTANT: Is there any connection limit?

USER: I choose a single connection.

ASSISTANT: Please wait a moment i will check and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting, unfortunately there are no flights found with your essential details.

USER: That's fine, Thank you for the information.

ASSISTANT: Thanks for reaching us.