You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Ronald Garcia.

ASSISTANT: How can I render you today?

USER: I am planning to celebrate my wife birthday party at New York, JFK can you help me booking a flight ticket from IAH?

ASSISTANT: Sure, we are mirthful to aid you. When did you schedule your trip?

USER: My travelling dates are from 06/26 to 06/28.

ASSISTANT: Thanks for your details. Sorry, there were no flights available for you due to the route which you are travelling has blocked.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.