You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Myself Anna Allen. I need to travel from SEA to EWR. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, could you please share me with your dates of journey?

USER: My preferable travelling dates are from 05/16 to 05/18.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, take your own time.

ASSISTANT: Sorry Allen, there is no flight found as per your travelling details.

USER: It's ok no problem. Anyway thank you for the information.

ASSISTANT: You are welcome.