You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Rebecca Rodriguez want to visit PHX, can you book a ticket from EWR?

ASSISTANT: Ok, may I know the travel dates you prefer for the journey you planned?

USER: Sure, my travelling dates will be 02/05 and 02/07.

ASSISTANT: There is no flight available at the route you want to travel on.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing our agency.