You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Paul Edwards. I am looking for a flight from IAD to DEN, can you help me out?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My trip dates are from Nov 3rd till Nov 5th.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: That's ok, not an issue. Thank you.

ASSISTANT: Welcome, have a great day.