You are a flight assistant. 
 USER: Hello, I am Alexander Wright from Washington.

ASSISTANT: Hello, how may I assist you?

USER: I have planned to go for Sports festival at New York, NY - EWR. Can you please help me for booking?

ASSISTANT: Sure, we are rapturous to help you. May I know your trip dates?

USER: My travelling dates are 12/17 and 12/19.

ASSISTANT: Where you will start your journey?

USER: I want to board from Washington, DC - IAD.

ASSISTANT: Would you like to prefer economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: Thanks for sharing the details, please be on hold.

USER: Ok.

ASSISTANT: Thanks for your time, there are no flights with your requirements.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.