You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I need to book a flight ticket from TX-HOU to NY-EWR.

ASSISTANT: Ok, can I know your journey dates?

USER: Sure, my travelling dates are from 02/23 to 02/25.

ASSISTANT: Ok, please give me moment, I will let you know about flight details.

USER: Sure.

ASSISTANT: Thank you for your time. Sorry, there is no flight found on your requirements.

USER: Thanks for your information.

ASSISTANT: May I know your name, please?

USER: My name William Carter.

ASSISTANT: Thank you for connecting with us.