You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am Timothy Hall, I want to travel from Washington, IAD to New York, LGA to attend my sister's baby shower program. Can you please help me in ticket booking?

ASSISTANT: Sure, May I know the journey dates?

USER: My journey dates are from 06/24 to 06/26.

ASSISTANT: Please give a minute.

USER: Ok.

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

USER: It's ok. Thanks for the information.

ASSISTANT: Thank you, Have a nice day.