You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I would like to book my ticket from PHX to EWR. Can you please help me with booking a flight ticket?

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

USER: My planned travel dates are from June 04 to June 06.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight in my journey, please do with the booking.

ASSISTANT: May I know the airline preferences?

USER: No, thank you for asking.

ASSISTANT: Please provide me the name.

USER: My name is Mark Thomas.

ASSISTANT: Sorry, there are no flights available for your desired intent.

USER: Not a problem, anyway thank you for the information.

ASSISTANT: Thank you for reaching us.