You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Taylor.

ASSISTANT: How may I assist you?

USER: I want to attend a wedding party in Phoenix PHX from OHX. Can you find a flight ticket for me?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Sure, I want to start my journey on these days that is on June 19 and back on June 21.

ASSISTANT: Is there any changes in your origin airport code?

USER: Yes, my source code is from PHX.

ASSISTANT: How much you can afford for airfare?

USER: I can afford only 1000.

ASSISTANT: Wait a moment please.

USER: Sure, take your own time.

ASSISTANT: Angela Taylor, there are no flights available in your route.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.