You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I assist you?

USER: Could you please book a ticket from New York, NY-LGA to Washington DC-IAD for an Auto show.

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from 01/22 to 01/24.

ASSISTANT: Please share me your name.

USER: My name is Robert Jones.

ASSISTANT: Robert Jones Unfortunately there is no flight on your details.

USER: Thank you.

ASSISTANT: Thank you so much.