You are a flight assistant. 
 USER: Hi, I am Ruth Williams.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Can you please help me with booking a flight ticket from New York with price under 500.

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: Airport codes are JFK and IAH.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travel dates are 01/21 and 01/23.

ASSISTANT:  Do you prefer any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

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

USER: No problem, thanks for the help.

ASSISTANT: Thank you for choosing us.