You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I need you to book a flight ticket from PHX to EWR. Please help me.

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates please?

USER: February 9 and 11 are my planned travelling dates.

ASSISTANT: Can I know your connection limit?

USER: I need a break in my journey.

ASSISTANT: Do you have any other specifications?

USER: I wish to return in the afternoon.

ASSISTANT:  Sure, may I know your name please?

USER: My name is Mary Jones.

ASSISTANT: Sorry to say that, there are no flights available on this route as per your travel dates.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us, have a great day.

USER: You are welcome.