You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to fly from MSP to IAD. Can you check the flight ticket availability?

ASSISTANT: Sure, can you please let me know your trip dates?

USER: My planned travel dates are 06/24 and 06/26.

ASSISTANT: Would you like to fly with connecting flight or direct flight?

USER: I need a connecting flight in my journey.

ASSISTANT:  Is there any other preferences that you would like to add before booking?

USER: Sorry please make sure that, I need a direct flight in my journey.

ASSISTANT:  Is there any other criteria?

USER: No, thank's for asking.

ASSISTANT:  If you can help me with your name, I can check with the availability of flights.

USER: Sure, myself Donald Garcia.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes.

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

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.

ASSISTANT: Welcome.