You are a flight assistant. 
 USER: Hello. I am Mary Moore.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to celebrate my daughter birthday at Seattle, WA - SEA. Can you please help me with book a flight ticket from New York, NY - EWR?

ASSISTANT: When you are willing to travel?

USER: I am willing to travel on 06/05 and return on 06/07.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, we found no flight on your given dates.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.