You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please reserve me a flight ticket from IAD to MSP?

ASSISTANT: Sure, please share your good name.

USER: Myself Sharon Davis.

ASSISTANT: May I know your trip dates?

USER: Sure, my travel dates are from June 19 to June 21.

ASSISTANT: Please share your connection limit.

USER: I would prefer connecting flight for my trip.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: Sorry, there is no flight service available on your required routes.

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

ASSISTANT: Thank you for choosing us.