You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me in booking my flight ticket from MSP to OAK?

ASSISTANT: Sure, can you please let me know your trip dates?

USER: My trip dates will be June 26th to June 28th.

ASSISTANT: Do you have any connection limit preference?

USER: I prefer a connecting flight.

ASSISTANT: Could you help me with your name please?

USER: I am Melissa Allen.

ASSISTANT: Sorry, there is no flight available for the mentioned dates.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.