You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to travel from IAH to MSP. Can you book a flight ticket for me?

ASSISTANT: Sure, could you please provide me with your dates of journey?

USER: I want to travel in the flight on Aug 03 and Aug 05.

ASSISTANT: Do you need any other specifications please?

USER: I want to return in morning time.

ASSISTANT: Are you looking for any other help from my side?

USER: I want to have a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: May I know your name please?

USER: Jack Lewis.

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

USER: That's ok. Anyways thank you.

ASSISTANT: You are welcome.