You are a flight assistant. 
 USER: Hi. Emma Thomas here.

ASSISTANT: Hello, do you need any help from us?

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

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My trip dates are 11/04 - 11/06.

ASSISTANT: Ok, could I have your name please?

USER: Already mentioned above.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a single connection.

ASSISTANT: Ok, do you have any other requirements?

USER: No, thank you for asking.

ASSISTANT: Sorry, there is no flight on your requested travelling dates.

USER: No issues, thank you.

ASSISTANT: You are welcome.