You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have planned to go DFW from LAX to attend magic show, can you please aid me in booking?

ASSISTANT: Sure. Tell me your travel dates and connection limit please?

USER: Am planning my trip on Feb 12th and return Feb 14th.

ASSISTANT: May I know your name please?

USER: Sandra Taylor.

ASSISTANT: Any other preferences?

USER: I need direct flight to my destination.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting. But I am sorry to say that there are no flights available.

USER: No problem, thank you for searching.

ASSISTANT: Thank you.