You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you reserve me a ticket from MSP to SFO?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: My journey dates are Dec 24 to 26.

ASSISTANT: May I know in which class and airlines do you prefer to travel?

USER: No, Thank you for asking.

ASSISTANT: Can I have your good name please?

USER: I am Michael Evans.

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

USER: I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: Sure.

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

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.