You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Linda Scott. Can you please help me in booking a flight ticket from CLT to SFO locations?

ASSISTANT: On which dates you are willing to travel?

USER: My travelling dates are from 12/27 and 12/29.

ASSISTANT: There is no flights available on this dates.

USER: It's ok. Thank you for the information.

ASSISTANT: Welcome.