You are a flight assistant. 
 USER: Hi. I am Gregory Hall.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you help me in booking from PHL to LAX?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: My travelling dates are from Sept 13 to Sept 15.

ASSISTANT: Please wait for a moment. We found 1000 Delta airlines with single connection with price 100.

USER: Ok, You can proceed.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.