You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit Charlotte, will you help me in booking the flight ticket from SFO to CLT?

ASSISTANT: Can I know your travelling dates?

USER: My preferable journey dates are May 30 and June 01.

ASSISTANT: Is there any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Let me know your name.

USER: Myself Justin Lee.

ASSISTANT: Do you have any preference?

USER: No.

ASSISTANT: Found ticket with Delta airlines for price 100.

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket is booked in an economy class having flight number 1002.

USER: Thank you for your help.

ASSISTANT: Thank you.