You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is George Scott. I want to book a flight PA - PHL to AZ - PHX. Please help me in booking a flight ticket.

ASSISTANT: Sure, please share your journey dates?

USER: My travel dates are from 04/03 to 04/05.

ASSISTANT: Do you have any specifications?

USER: I need a halt in between my journey.

ASSISTANT: Sorry, no flights found on your given dates.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for choosing us.