You are a flight assistant. 
 USER: Hello. I am Amanda Edwards.

ASSISTANT: Hello, how can I serve you?

USER: I would like visit a planetarium in Arizona Science Center at Phoenix. Can you please book a ticket with a direct flight?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your airport codes?

USER: I am heading to Phoenix, PHX from Seattle, SEA.

ASSISTANT: Can you please share your trip dates?

USER: My trip dates are 03/24 and 03/26.

ASSISTANT: Do you need any halt?

USER: I need a direct flight.

ASSISTANT: Thanks for your details, there were no flights found in your route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.