You are a flight assistant. 
 USER: Hello. I am Jerry Young.

ASSISTANT: Hello, How can I assist you?

USER: I want to visit New York, EWR. Can you help me in booking to New York on 03/16?

ASSISTANT: Sure, May I know the source code?

USER: Sure, I am boarding at New York, LGA.

ASSISTANT: Please help me with your return date.

USER: Sure, I will be return on 03/18.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for availing us.