You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I would like to meet my family after a long gap at Dallas, please help me in booking a ticket from PHX to DFW.

ASSISTANT: Sure, may I know your planned trip dates?

USER: My planned travel dates are on Aug 11 and Aug 13.

ASSISTANT: Is there any connection limit?

USER: I need a direct flight.

ASSISTANT: Can you please share your arrival and depart timings?

USER: I am fine with any timings.

ASSISTANT: Do you have any other requirements?

USER: No, thank you for asking.

ASSISTANT: Please forward your name.

USER: My name is Karen Scott.

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

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

ASSISTANT: Thank you for availing us.