You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from CLT to DCA, can you please help me?

ASSISTANT: Sure, may I know your name?

USER: Myself Sharon Anderson.

ASSISTANT: Can I know your travelling dates?

USER: I planned my trip on the dates Sept 16 and Sept 18.

ASSISTANT: Do you need a single connecting flight?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: May I know your other preferences?

USER: I prefer evening flight at the time of depart.

ASSISTANT: We found a flight of American airline, flight number 1022 with the fare of 100.

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.