You are a flight assistant. 
 USER: Hello, I am Melissa Miller.

ASSISTANT: Hello. How can I guide you?

USER: Can you make a reservation from MCO to SEA?

ASSISTANT: Sure, can you please share your trip dates?

USER: I am planning to start on 08/13 and return back on 08/15.

ASSISTANT: Please wait a moment.

USER: I can afford up-to 500.

ASSISTANT: Sorry, no flights are available on your route.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome, have a nice day.