You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assess you?

USER: I am Ronald White from New York. Can you please book a flight ticket from EWR to PHL?

ASSISTANT: Sure, can you provide your trip dates?

USER: Sure, I need to travel on dates of 07/04 and 07/06.

ASSISTANT: Sorry, there are no flights that are moving on your journey dates to book the ticket.

USER: It's ok fine, no problem.

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

USER: Anyway, thank you for your time.

ASSISTANT: Welcome.