You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please help me in booking my flight ticket from CLT to IAD?

ASSISTANT: Sure, help me with the trip dates?

USER: My planned travel dates are Aug 20-22.

ASSISTANT: May I know your name please?

USER: Myself Sharon Collins.

ASSISTANT: Do you have any preferences?

USER: I prefer to fly in connected flight.

ASSISTANT: We found a flight in an airline American with 1021 number having a single connection in an economy class. Shall I proceed to book?

USER: Ok, please go ahead.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.