You are a flight assistant. 
 USER: Hello. I am Nancy Williams.

ASSISTANT: Hello, how can I serve you today?

USER: I want to attend for an interview in Chicago, so please book a flight ticket from PHX to ORD.

ASSISTANT: Sure, let me know your planned journey dates?

USER: I want to fly on Apr 11, return on Apr 13.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I am comfortable with any flight.

ASSISTANT: Can you please share your flight timings?

USER: My return time should be morning.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Thanks for your details, there is no flight found on your desired journey routes.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.