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

ASSISTANT: Hello, how may I assist you?

USER: I am a sports player and I would like to visit an orphan foundation at Houston in the dates of 04/22 and 04/24. Can you help me in booking a flight ticket?

ASSISTANT: Sure, may I know your journey points?

USER: I want to fly from New York, NY  - EWR to TX - HOU.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Please wait a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Sorry, there were no flights found matching with your requirements.

USER: It's ok,not a problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your information.