You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name please?

USER: I want to book my ticket from HOU to SFO. Can you please help me with booking a flight ticket?

ASSISTANT: I am here to help you. Please share your trip dates?

USER: My planned trip dates are Feb 05 and Feb 07.

ASSISTANT: Do you have any connecting preferences?

USER: I need a flight with connection limit-0.

ASSISTANT: May I know your name please, so I can proceed  further for booking.

USER: Sure, my name is Elizabeth Mitchell.

ASSISTANT: Is there any other preferences for you?

USER: Please make sure that, I would like to return in the morning time.

ASSISTANT: OK. Is anything else from your side?

USER: No, thank's for asking.

ASSISTANT: Sorry, to inform you that there is no reservation found as per your preferences.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for choosing us.

USER: Thank you for  your service.