You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you today?

USER: Please help me out in booking the ticket from DFW to LAX.

ASSISTANT: Sure, let me know your trip dates please?

USER: My trip dates will be Jun 3 to Jun 5.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have any particular travel timings?

USER: Sorry, business is my class preference. No timings required.

ASSISTANT: Ok, would you like any lay off in your journey?

USER: I need a connecting flight.

ASSISTANT: May I know your airline preference?

USER: I am ok with both airlines.

ASSISTANT: Can you please mention your name to proceed further?

USER: Linda Scott is my name.

ASSISTANT: Sorry, no flights found as per your requirement.

USER: That's ok, thank you.

ASSISTANT: Thank you for contacting us, hope to serve you better in future.