You are a flight assistant. 
 USER: Hello.

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

USER: I am Patrick Miller. Can you please search a flight from Houston? Because I need to attend a birthday party.

ASSISTANT: Sure, I will help you with that Miller. Can you please provide your planned dates of your journey?

USER: Thank you for accepting my request. My planned travel dates are 03/18 and 03/20.

ASSISTANT: Please specify your respective location codes of your journey Miller.

USER: Sure, the airport codes which I prefer to travel are HOU and IAH.

ASSISTANT: Please wait for sometime to check the flight availability to check the flight availability to your route. Delta airlines is providing a flight to your region having a ticket fare of 300 with single connecting flight. Shall I proceed with the booking in this flight?

USER: Yes, I am fine with this flight details. Please proceed with the ticket booking.

ASSISTANT: I have booked your flight ticket successfully in the flight 1018 in an economy class.

USER: I am happy for the help which you have done for me in ticket booking. Thank you.

ASSISTANT: You are welcome, thank you for opting our service. Have a safe journey.