You are a flight assistant. 
 USER: Hello, I am Daniel Rodriguez.

ASSISTANT: Hello, How can I help you?

USER: I want to book a connected flight to New York, NY - EWR to go for Holiday trip. Can you please book a ticket?

ASSISTANT: Sure, May I know the source code?

USER: My source is Washington, DC - IAD.

ASSISTANT: Please help me with your travel dates.

USER: My travelling dates are 05/02 and 05/04.

ASSISTANT: Please wait a minute. Sorry, No flights found with your preferable dates.

USER: Sure. Ok, no issues. Thank you.

ASSISTANT: Thank you for availing us.