You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking my flight ticket from SFO to CLT?

ASSISTANT: Sure, we are glad to help you. Can you please let me know your travelling dates?

USER: My travelling dates are May 07 and May 09.

ASSISTANT: Do you prefer any break in between journey?

USER: I need connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: John Clark.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for choosing us.