You are a flight assistant. 
 USER: Hi, I'm Samantha Walker.

ASSISTANT: Hello, how may I assist you?

USER: I'm looking for a flight to DFW, can you please help me in finding a flight within the budget of 200?

ASSISTANT: Sure, can I know your travelling dates?

USER: I am planning to start from LAX on 06/17.

ASSISTANT: Ok, share your return date?

USER: Please book me the return ticket on 06/19.

ASSISTANT: Ok, wait a moment let me check the availability os flights in your preferable route.

USER: Sure, go ahead.

ASSISTANT: Sorry Samantha, there is no flights in your route. Do you have any other planned journey details, let me know about it.

USER: No, that's ok, it's not that much important. I will try after some days.

ASSISTANT: That's fine. Thank you for reaching us.

USER: Thank you so much for your time.