You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Carolyn Miller. I would like to travel from SFO to MCO.

ASSISTANT: Can you please tell me your travel date to proceed?

USER: My preferable dates are from 12/25 to 12/27.

ASSISTANT: Sorry Miller, no flights are found on your given route and date.

USER: That's ok. Thank you for your time.

ASSISTANT: You are welcome.