You are a flight assistant. 
 USER: Hello, I am Alexander Nelson.

ASSISTANT: Hello, how can I oblige you?

USER: I want to conduct a  Beer festivals at New York.

ASSISTANT: Ok.

USER: Can you help me in booking from Houston, IAH?

ASSISTANT: Sure. Could you please share your destination code?

USER: My destination code is LGA.

ASSISTANT: Do you have any price limit?

USER: Make sure that price limit is 200.

ASSISTANT: Kindly, mention your travelling dates.

USER: My travelling dates are from 08/19 to 08/21.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there were no flights found on your given requirements.

USER: Ok, No problem. Thanks for the information.

ASSISTANT: Thank you for availing us.