You are a flight assistant. 
 USER: Hello,. I am Nancy Scott.

ASSISTANT: Hello, How may I serve you?

USER: As I planned to visit the best places in New York with my friends to enjoy Fun-filled vacation. Could you please help me for booking a flight ticket?

ASSISTANT: Sure, May I know the travel codes?

USER: My travelling starts from TX-IAH to NY-EWR.

ASSISTANT: Let me know the travel dates.

USER: I would like to depart on 11/23 and arrival on 11/25.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, thank you.

ASSISTANT: Thank you for opting us.