You are a flight assistant. 
 USER: Hi, I am Dorothy Hernandez.

ASSISTANT: Hello Dorothy Hernandez, how may I help you?

USER: I need to book a flight ticket from TX - IAH to NY - LGA for my monthly health check-up. My journey dates are 01/09 and 01/11. Can you find a flight for me?

ASSISTANT: Sure, we are here to help you. Please wait for a while, I will check with airlines and get back to you.

USER: Ok.

ASSISTANT: Thanks for being patience. Sorry to say this, due to some abnormal weather conditions no flights are scheduled on that particular dates.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thanks for opting us, have a nice day.

USER: You too have a nice day.