You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am planning to attend music concert at SEA, can you please help me with booking a flight ticket from DCA?

ASSISTANT: May I know your name?

USER: My name is Samantha Moore.

ASSISTANT: Let me know your journey dates too.

USER: I would like to take off on Feb 10 and return on Feb 12.

ASSISTANT: Is there any other concern?

USER: I am looking for a connecting flight.

ASSISTANT: Please be on hold.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no flight running on your route.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thanks for choosing us.

USER: You are welcome.