You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Larry Gonzalez.

ASSISTANT: Please let me know, How can I assist you for the day?

USER: I have never travelled in the plane so, I would like to book a ticket to Charlotte, NC - CLT to experience the flight journey.

ASSISTANT: OK. May I know your origin airport code, Please?

USER: Sure, I want to fly from Oakland, CA - OAK.

ASSISTANT: May I know your travel dates, Please?

USER: I would like to travel on 12/06 and 12/08.

ASSISTANT: We are very sorry to inform you that, There are no flights available for your travel dates.

USER: It's not a problem.

ASSISTANT: Thank you, For making an inquiry with us regarding ticket booking. Have a nice day.

USER: Thanks for your quick response.