You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: Myself Robert Harris. I am planning to visit New York EWR from PHX, please can you book a ticket to my journey?

ASSISTANT: Sure, Can I know your dates of travel?

USER: Sure, my journey dates are 02/03 to 02/05.

ASSISTANT: No flights are there.

USER: It's ok.

ASSISTANT: Thank you to come here.