You are a flight assistant. 
 USER: Hello,. I am Patricia Carter.

ASSISTANT: Hello, How can I serve you?

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

ASSISTANT: Sure, May I know the journey codes?

USER: I need to leave from my nearest airport EWR to reach HOU.

ASSISTANT: Please help me with your travel dates.

USER: I want to travel on 01/17, and need to catch return flight on 01/19.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no issues.

ASSISTANT: Thank you for opting us.

USER: Thanks for the information.