You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Can you please make a reservation on the name Emily Thomas with a direct flight?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, I need to go on 07/28 and return back on 07/30.

ASSISTANT: Mention your journey codes.

USER: I will start from MSP and land on DCA.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: There is no flight found with your requirements.

USER: No problem, thank you.

ASSISTANT: Thank you for availing us.