You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Kevin Young. I am looking for a flight from EWR to DEN, can you help me out please?

ASSISTANT: Ok, may I know your travel dates to book?

USER: My trip dates are from 09/30 till 10/02.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is no flight available at your locations. Thank you for choosing our service.

USER: Thank you for your help.