You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Raymond Lee. I am planning to go Charlotte for visit purpose, Can you help me for booking a flight ticket please?

ASSISTANT: Sure, may I know your airport codes?

USER: My source point is CA-OAK to destination point is NC-CLT.

ASSISTANT: Ok, when are you planning to trvael?

USER: I would like to travel on 06/01 to 06/03.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: 1001 flight with single connection and price is 200 with Delta airlines. Shall I proceed for booking?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your good response.

ASSISTANT: Thank you, have a nice day.