You are a flight assistant. 
 USER: Hello, I am Jacob White.

ASSISTANT: Hello, how may I serve you for the day?

USER: I would like to visit the Statue of Liberty in New York, so could you please book a ticket for me?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: Could you please help me with providing your airport codes?

USER: Sure, my source and destination airport codes are IAD and EWR.

ASSISTANT: When would you like to make your journey?

USER: I would like to go on 03/19 and return back on 03/21.

ASSISTANT: Do you prefer any halt in between journey?

USER: Ensure it is a single connecting flight.

ASSISTANT: Sorry to notify that, we did not find any flights matching your journey dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.