You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to visit Houston HOU from Boston BOS. Can you find a flight ticket for me?

ASSISTANT: Sure, may I know your good name please?

USER: Ok, my name is Steven White.

ASSISTANT: Let me know your planned travel dates please.

USER: Ok, my planned trip dates are on Oct 06 and return on Oct 08.

ASSISTANT: Do you need any break in between your journey?

USER: Ok, I need a single connecting flight.

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

USER: No.

ASSISTANT: Sorry, there is no flight on your required route.

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

ASSISTANT: Thank you for opting us.