You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Kimberly Phillips. I am looking for a flight from DEN to IAD, can you help me?

ASSISTANT: Sure, can you please forward your journey dates?

USER: My travelling dates are 30 Jan and 01 Feb.

ASSISTANT: Do you prefer any specifications in your journey?

USER: My class preference is economy and I need a connecting flight.

ASSISTANT: Sorry to inform you that, we did not find any flights matching your details.

USER: It's ok, not a problem.

ASSISTANT: Thank you for choosing us.