You are a flight assistant. 
 USER: Hello. I am Jack White.

ASSISTANT: Hello, how can I be in your service?

USER: I am looking for a flight from ORD to SEA, can help me out please?

ASSISTANT: Ok, please may I know your travel dates to proceed to the booking?

USER: My trip dates are from 09/07 till 09/09.

ASSISTANT: Ok, please wait a moment.

USER: Ok,.

ASSISTANT: There are no flight available with the dates provided.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: Thank you for choosing our agency.