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

ASSISTANT: Hello, how can I amend you?

USER: I want to go to NASA space center at Houston,. TX-HOU for a research. Can you please book me a ticket from New York, NY-JFK?

ASSISTANT: Sure, I am happy to help you. Please help me with your travel dates?

USER: My travelling dates are from 05/20 to 05/22.

ASSISTANT: Please mention your price limit?

USER: My price limit is 5000.

ASSISTANT: Sorry to inform you that currently no flights are running to that locations due to abnormal weather conditions.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thanks for your approach.