You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Can you help me book a direct flight from Houston to New York in order to narrate a story to a actor, on the name of Betty Taylor?

ASSISTANT: Sure, I am here to help you. May I know your planned dates?

USER: My dates of travel are on 03/03 and 03/05.

ASSISTANT: Do you have any price limit?

USER: Yes, it should be within 500.

ASSISTANT: May I know your airport codes?

USER: They are from IAH to JFK.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, but there are no flights as per your requirement.

USER: Ok, thank you for your response.

ASSISTANT: Thank you for opting us, have a good day.