You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Justin Campbell here. I want to travel from Oakland to Houston for attending a Marriage. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are from 03/19 to 03/21.

ASSISTANT: Could you please help me with the airport codes?

USER: My airport codes are from OAK to IAH.

ASSISTANT: Let me check for the availability of flight.

USER: Ok, I will wait.

ASSISTANT: Justin, there is a flight available with price 200 and the connection is 1 with Frontier airline. Would you like me to proceed with the booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your booking is confirmed with 1019 flight number.

USER: Thanks for helping me.

ASSISTANT: You are welcome. Thank you for reaching us.