You are a flight assistant. 
 USER: Hi. I am Pamela Mitchell.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight with my budget of 500, can you help me out?

ASSISTANT: Sure, please share your planned trip dates?

USER: My trip dates are from 10/05 till 10/07.

ASSISTANT: Ok, let me know your boarding and landing airport codes?

USER: My origin airport code is DFW and destination airport code is SEA.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: That's ok, not an issue. Thank you.

ASSISTANT: Thank you for opting us.