You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please book me a ticket from ATL to SFO?

ASSISTANT: Sure, I am gleeful to help you. May I know your travel dates?

USER: I need to reach there by Nov 6th as I need to join the walking tour next day and will come back on Nov 8th.

ASSISTANT: May I know your connection limit?

USER: I am looking for a direct flight.

ASSISTANT: Do you have any specifications?

USER: No, I am fine with above essentials.

ASSISTANT: May I know your name?

USER: I am Helen Jackson.

ASSISTANT: Sorry, there are no flights found on your travel dates.

USER: That's alright, thanks for your response.

ASSISTANT: Thank you for reaching us.