You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please help me to book a flight ticket from SFO to CLT.

ASSISTANT: Sure, please share your journey dates?

USER: My journey dates are from Nov, 23 to Nov, 25.

ASSISTANT: Do you have any specifications?

USER: I need a single connecting flight only.

ASSISTANT: Is there any class preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: My name is Alexander Parker.

ASSISTANT: We found a flight in American airlines, flight number is 1009 with single connection and price is 300 economy class. Shall I proceed?

USER: Please go  ahead.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.