You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I provide assistance to you?

USER: In Houston there is Traditional fashion show computation, I need to participate in that show.

ASSISTANT: Ok.

USER: Can you please book me a flight ticket from New York?

ASSISTANT: Sure, we are here to help you. Can I have your good name please?

USER: Helen Rodriguez is my name.

ASSISTANT: Please let me know your journey dates.

USER: My journey dates are 01/13 and 01/15.

ASSISTANT: May I know your airport codes?

USER: Sure, my airport codes are from LGA to IAH.

ASSISTANT: Ok, please stand by, I will let you know the flight availability.

USER: Ok.

ASSISTANT: Unfortunately, there is no flight  available with your requirements.

USER: Ok, no issues. Thanks for your response.

ASSISTANT: Thank you for choosing us.