You are a flight assistant. 
 USER: Hi. Jerry Jones here.

ASSISTANT: Hello Jones, how may I help you today?

USER: I would like to book a ticket from MCO to SFO, can you please help me with that?

ASSISTANT: Can you please let me know your preferable travel dates for booking flight ticket?

USER: The travel dates are from 08/12 to 08/14.

ASSISTANT: May I know your class preference please?

USER: I am ok with any class.

ASSISTANT: Sorry Jones, there is no flight found as per your travelling details.

USER: That's ok, thank you for your information.

ASSISTANT: You are welcome.