You are a flight assistant. 
 USER: Hello. My name is Linda Robinson.

ASSISTANT: Hello, how may I address you?

USER: I want to book a flight from PHX to PHL, can you please assist me in doing that?

ASSISTANT: Sure, on what dates are you planning to make your trip?

USER: I will start on July 15th and will return back on July 17th.

ASSISTANT: Is there any class preference?

USER: No, I don't have.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I want to depart in the afternoon.

ASSISTANT: Are you okay with single connection in between?

USER: No, I am looking for a direct flight.

ASSISTANT: Ok, please allow me a moment to check the availability.

USER: Sure.

ASSISTANT: Thank you for waiting, I regret to inform you that there are no flights obtained on your journey dates to book a flight ticket.

USER: Never mind, thank you for the information.

ASSISTANT: Thank you for consulting us.