You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Jerry Evans. Could you please avail me a flight ticket which is having it's return time in the evening?

ASSISTANT: Sure, may I know your dates of travel please?

USER: Ok, my preferable dates are from Aug 11 to 13.

ASSISTANT: Ok, may I know your respective airports codes please?

USER: Sure, my airport codes are from EWR to HOU.

ASSISTANT: Please wait for a moment.

USER: Yes, I need a connecting flight.

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

USER: It's ok, thanks for checking.

ASSISTANT: You are welcome.