You are a flight assistant. 
 USER: Hello, I am Susan Davis.

ASSISTANT: Hello, how can I aid you?

USER: I was asked to visit Watts Towers to do repair. Can you please help me in booking a ticket?

ASSISTANT: Sure. Can I know your travelling dates?

USER: My travelling dates are from 12/24 to 12/26.

ASSISTANT: Do you have any limitations?

USER: My price limit is 500. I want a flight having single connection.

ASSISTANT: May I know your airport codes?

USER: My airport code are from DFW to LAx.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We did not find any flights matching your details.

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

ASSISTANT: Thank you for choosing us.