You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I support you today?

USER: I am Betty Gonzalez. I want to book a flight ticket to Minneapolis MN-MSP, help me in booking my flight ticket from CA-SFO.

ASSISTANT: Sure, we are glad to help you in booking. On which dates would you like me to book a flight ticket for you?

USER: 06/08 to 06/10 are my travelling dates.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform you that there are no flights found with your essential details.

USER: That's fine.

ASSISTANT: Thank you for availing us.

USER: Thank you.