You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need to participate in a dance show, can you please book a ticket from ATL to LAX?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: Sure, my planned departure and arrival travel dates are 20th and 22nd of Jan.

ASSISTANT: Are you looking for any preferred connections?

USER: Yes, I prefer direct flight.

ASSISTANT: Do you have any other specifications to be met?

USER: No, I don't have any other specifications.

ASSISTANT: Can I have your name to proceed further?

USER: I'm Jack Jones.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I'll wait for your response.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for reaching us.