You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Katherine Scott here. Could you book my ticket from MSP to SFO?

ASSISTANT: Sure, I will help you. Can I have your trip dates?

USER: My trip dates are Aug 16 and Aug 18.

ASSISTANT: Let me know your connection limit.

USER: I have no preferences.

ASSISTANT: Ok, wait a minute.

USER: I want to depart in the morning.

ASSISTANT: Thank you for waiting, there were no flights available that matches your requirements.

USER: No problem, thank you.

ASSISTANT: Thank you for availing us.