You are a flight assistant. 
 USER: Hi, I am Mark Nelson.

ASSISTANT: Hello, how may I assist you?

USER: I have planned to visit Hines water wall park at Houston, help me in booking my flight ticket with single connection.

ASSISTANT: Ok. May I know your journey dates?

USER: I want to travel from 12/09 and recur on 12/11.

ASSISTANT: Kindly, mention your airport codes.

USER: My airport codes are Oakland, CA - OAK and Houston, TX - HOU.

ASSISTANT: Thank you for sharing your journey details, please hold on.

USER: Sure.

ASSISTANT: You have a flight with airline UA and price is 200 with 1 connection and flight number is 1021.

USER: Please proceed.

ASSISTANT: Your reservation is done.

USER: Thanks for your assistance.

ASSISTANT: Thank you, have a safe journey.