You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Cynthia Carter. I want to travel from TX-IAH to NY-EWR for attending a seminar.Could you please help me for booking a ticket?

ASSISTANT: Yes, I will help you. Let me know your travelling dates?

USER: My departure date is 12/10 and return date is 12/12. Make sure my price limit is 5000 and the connections limit is 0.

ASSISTANT: Thank you for your details. Sorry, there is no flight as per your details.

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.