You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicole Johnson.

ASSISTANT: Johnson, how may I guide you?

USER: I would like to visit Charlotte to meet my friend so please help me with flight ticket booking.

ASSISTANT: Sure, I will help you. Could you please share me your source airport code and destination airport code?

USER: Sure, I would like to travel from OAK to CLT.

ASSISTANT: When you are willing to travel?

USER: I need to travel on dates of 01/12 and 01/14.

ASSISTANT: Just a moment.

USER: Sure, take your time.

ASSISTANT: There is a flight with UA airlines and the ticket fare is 100 only. Shall I proceed for booking?

USER: No, I need connection 0 so please recheck with that.

ASSISTANT: Sure.

USER: Thank you for that.

ASSISTANT: Johnson, sorry to inform that no flight is found with 0 connection.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: You are most welcome.