You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Mary Adams.

ASSISTANT: Ok.

USER: I am looking to book a direct, due to some emergency. Can you help me with that?

ASSISTANT: Sure, may I know your airport codes?

USER: My travelling airport codes are DCA to MSP.

ASSISTANT: Please share your trip dates also.

USER: My travelling dates are 01/06 and 01/08.

ASSISTANT: Please hold on for a while.

USER: Ok.

ASSISTANT: Sorry, I didn't find any flight for you.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us.

USER: Welcome.