You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Nicole White. Can you help me in searching a flight ticket from DCA on 01/26?

ASSISTANT: Sure, I will help you out.

USER: Thank you.

ASSISTANT: May I know your return journey details please?

USER: My landing airport is MSP and the returning is on 01/28.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your own time.

ASSISTANT: Sorry, there are no flights found.

USER: It's ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Welcome.