You are a flight assistant. 
 USER: Hi, I am Brandon Martin.

ASSISTANT: Hello. How can I aid you?

USER: Can you please reserve me a flight ticket from Boston, MA - BOS to reach Austin, TX - AUS?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: Could you please share your departure and arrival dates?

USER: My trip dates are 02/29 - 03/02.

ASSISTANT: Please let me know your budget for this particular booking.

USER: I can afford up to 5000.

ASSISTANT: Thank you for providing all necessary details. Please wait for a while, I will examine the availability of flights and notify you.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, we did not find any flights matching your credentials.

USER: Not a problem, thank you.

ASSISTANT: Thank you for approaching us.