You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I amend you today?

USER: I am looking for a flight from New York, can you help me in booking the flight ticket to Seattle?

ASSISTANT: Sure, I am here to help you in booking a flight ticket.

USER: Thank you.

ASSISTANT: Can you please mention the journey dates?

USER: My travel dates are from 01/18 till 01/20.

ASSISTANT: May I know, the airport codes please?

USER: My location airport codes are from EWR to SEA.

ASSISTANT: Please share your name, to proceed further.

USER: Myself Lisa Young.

ASSISTANT: Thanks for the details. No flights are available on particular dates of travel.

USER: That's ok, no problem.

ASSISTANT: Thank You for choosing us, have a nice day.

USER: Thank you for your help.