You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I want to fly from MSP to IAH. Can you book a ticket from that route?

ASSISTANT: Sure, I'm happy to help you with that. May I know on which dates do you prefer to depart and arrive?

USER: Sure, my planned travel dates are 08/07 and 08/09.

ASSISTANT: Do you need stopover in between your journey?

USER: I want a connecting flight with in the normal cost only.

ASSISTANT: Please let me know if you have any other specifications.

USER: I am comfortable with economy class only.

ASSISTANT: May I know your good name please?

USER: Sure, Steven Smith here.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates with your given details.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for choosing us, have a nice day.