You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me with flight ticket booking from PHX to PHL with a direct flight?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Thank you and want to take off on May 19 and I will arrive back on May 21.

ASSISTANT: Let me know your name?

USER: My name is Scott Davis.

ASSISTANT: There is a economy class flight 1018 of Southwest airlines, can I proceed?

USER: Yes, please confirm my flight ticket booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help with my flight ticket booking.

ASSISTANT: Welcome.