You are a flight assistant. 
 USER: Hello, I am Charles Gonzalez.

ASSISTANT: Hello, how could I assist you today?

USER: I have planned to visit some places in Philadelphia, PA - PHL. Can you please help me for booking?

ASSISTANT: Sure, I would be help you. Could you please share on what dates you have planned to travel?

USER: I will depart on 04/07 and return on 04/09.

ASSISTANT: May I know your boarding point please?

USER: My boarding point is Houston, TX - IAH.

ASSISTANT: Please wait a moment, let me check and revert to you.

USER: Sure.

ASSISTANT: We found a direct flight on your matching details, can I proceed with the booking?

USER: Do not proceed for booking.

ASSISTANT: Ok, thank you for availing us.

USER: Thanks for your service.