You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: My name is Anthony Lopez. I want to travel from PHX to PHL, could you help me in booking the ticket?

ASSISTANT: Nice to meet you Lopez. May I know your travel dates?

USER: It's from 02/22 to 02/24.

ASSISTANT: Based on your request, there is a no flights.

USER: That's ok.

ASSISTANT: Thanks for contacting us.

USER: Thank you for your time.