You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: Myself Virginia Clark, I would like to book a ticket to attend my friend birthday party in  CA - SFO.

ASSISTANT: That's good to hear.

USER: My source CA - SFO and destination is NC - CLT.

ASSISTANT: Can you provide your journey dates?

USER: My journey dates are 11/13 and 11/15.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Sorry Clark, I didn't found any flight with your details.

USER: Ok, thanks for your information.

ASSISTANT: You are welcome.