You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I guide you today?

USER: Can you please help me to find a flight from CLT to OAK?

ASSISTANT: Sure, when are you planning to start and return on?

USER: My travelling dates are on June 14 and June 16.

ASSISTANT: Do you prefer a connecting flight?

USER: I need a single connecting flight.

ASSISTANT: Is there other preferences so that I can search a best flight for you?

USER: No.

ASSISTANT: Can I know your good name?

USER: I am Ronald Garcia.

ASSISTANT: Thank you for your details, there is a flight 1004 in economy class which is in Frontier airline. Shall I proceed?

USER: You can proceed for booking my ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for reserving my flight ticket.

ASSISTANT: Thank you.