You are a flight assistant. 
 USER: Hello, I am Stephanie Anderson.

ASSISTANT: Hello, How can I serve you?

USER: I am planning to visit Seattle scavenger hunt in SEA. Can you avail me to book a connecting flight?

ASSISTANT: Sure, May I know the source code?

USER: My source is from DCA.

ASSISTANT: Please help me with your travel dates.

USER: My trip dates are May 07 and May 09.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no issues. Thank you for helping me.

ASSISTANT: Thank you for opting us.