You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

USER: I am want to go for singing competition, can you please help me in booking my flight ticket from  CLT to OAK?

ASSISTANT: Sure, we are here to help you. Could you please help me with your journey dates?

USER: My journey dates are Aug 15 and Aug 17.

ASSISTANT: May I know your good name?

USER: Myself Samuel Jones.

ASSISTANT: Please let me know your connection limit?

USER: I need single connection flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for choosing us.