You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I want to book a ticket from JFK to IAD to participate in Death Valley Adventure.

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: My scheduled dates are Jan 17 and Jan 19.

ASSISTANT: May I know your name to proceed further?

USER: Sure, I am Cynthia Walker.

ASSISTANT: Is there any connection limit?

USER: Yes, I want single connected flight.

ASSISTANT: May I know your class preferance?

USER: I prefer economy class.

ASSISTANT: Sorry Cynthia Walker, there is no flight in your route.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.