You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in booking my flight ticket from MSP to DCA?

ASSISTANT: Sure, I will help you. May I know your name?

USER: I am Stephanie Parker.

ASSISTANT: Thank you. May I know your travel dates?

USER: My trip dates will be Feb 24th to Feb 26th.

ASSISTANT: Noted. Do you have any specifications?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no flight available on your preferred travel dates.

USER: Its ok,thank you.

ASSISTANT: You are most welcome.