You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Could you please make a flight reservation on 09/10 and return on 09/12?

ASSISTANT: Sure, We are euphoric to help you.

USER: Thank you.

ASSISTANT: May I know your budget for this journey?

USER: I can afford up to 1000.

ASSISTANT: Please help me with your nearest airport codes?

USER: My nearest airport code is OAK and I want to reach to PHX.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry for the inconvenience, there is no flight found with your needs.

USER: Ok, I am Robert Moore. Thanks for the help.

ASSISTANT: Thank you for opting us, hope to serve you again.