You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for today?

USER: I am Gregory Lopez. Can you please help me in booking a ticket from PHX to PHL?

ASSISTANT: Sure, I will help you with that Gregory Lopez. Can you please help me by providing your planned dates of journey?

USER: My planned dates of journey are from July 17th to July 19th.

ASSISTANT: Please wait for sometime to check the available flight for your journey.

USER: Ok.

ASSISTANT: I have found a flight with a connecting flight having a ticket fare of 100 and departure in the morning in an economy class. Shall I proceed with the booking?

USER: Sorry, I need to depart at evening. Do not proceed.

ASSISTANT: Sorry to say this Gregory Lopez, there are no flights which travels to your region with the departure.

USER: Thank you.

ASSISTANT: You are welcome.