You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Virginia Scott. I am planning to visit Seattle to meet my father, can you please help me in booking a flight ticket?

ASSISTANT: Sure, please provide your travelling dates.

USER: My travelling dates are Apr 22 and Apr 24.

ASSISTANT: Ok, Do you prefer direct flight or connected flight?

USER: I need a connecting flight.

ASSISTANT: Ok, Do you have any class preference?

USER: I am fine with any class.

ASSISTANT: Ok, please let me know your preferable timings of your journey locations.

USER: My departure time is evening.

ASSISTANT: Ok, please provide your source and destination airport codes.

USER: Sure, my travelling airport codes are ORD to SEA.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, No flights were found with your given details.

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

ASSISTANT: Thank you for reaching us.