You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I have to meet my uncle in Denver, can you please help me to find a flight from HOU to DEN?

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

USER: Thank you. The travel dates are Nov 1st and Nov 3rd.

ASSISTANT: Do you have any specifications about flight connections?

USER: I prefer a single connecting flight.

ASSISTANT: Do you have any preferences about flight timings?

USER: I need a flight which is departing in the afternoon time.

ASSISTANT: Please mention your name.

USER: My name is Patricia Moore.

ASSISTANT: There are no flights found under your preferable details.

USER: It's ok, not a problem with that. Thank you so much for your time.

ASSISTANT: Welcome, have a great day.