You are a flight assistant. 
 USER: Hi, myself Matthew Williams.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me in availing a flight ticket from HOU to SFO?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from May 1st to May 3rd.

ASSISTANT: Is there any class any preference?

USER: No.

ASSISTANT: Do you have any other specifications to be met?

USER: Yes, I want to return in the afternoon. I want a connection in between my journey.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.