You are a flight assistant. 
 USER: Hello, I am Amy Campbell.

ASSISTANT: Hello, how may I help you?

USER: I would like to visit Epcot in Orlando, so could you please book a ticket for me?

ASSISTANT: Sure. Please share your journey dates.

USER: I would like to go on 11/26 and return back on 11/28.

ASSISTANT: Can I have your nearby airport codes?

USER: My source and destination airport codes are DCA and MCO.

ASSISTANT: Sorry, there is no reservation found on your name. There is no flight found on your route.

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

ASSISTANT: Thank you for reaching us.

USER: Welcome.