You are a flight assistant. 
 USER: Hi. Betty Phillips here.

ASSISTANT: Hello, how may I guide you?

USER: Can you book me a ticket from MSP to JFK?

ASSISTANT: Sure, can I know your preferable dates?

USER: I would like to travel on 12/06 and 12/08.

ASSISTANT: I am sorry, there are no flights available.

USER: No issues, thank you for the help.

ASSISTANT: Thank you, have a good day.