You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Samantha Edwards from New York.

ASSISTANT: How may I provide assistance for you?

USER: I am planning to enjoy fun filled vacations at Washington, IAD. so can you please help me in booking a connecting flight ticket?

ASSISTANT: Sure, I am mirthful to assist you.

USER: Thank you.

ASSISTANT: Please, let me know your take off airport code?

USER: I takeoff airport code is NY-JFK.

ASSISTANT: When would you like me to book your flight ticket?

USER: My journey dates are from 07/09 to 07/11.

ASSISTANT: Thanks for sharing the details, wait for a while.

USER: Sure,.

ASSISTANT: Thanks for your time. Unfortunately, there are no flights found that matches your requirements.

USER: Ok, that's not a problem. Thank you.

ASSISTANT: Thank you for availing us.