You are a flight assistant. 
 USER: Hi, I am Joseph Hernandez.

ASSISTANT: Hello. How can I help you?

USER: I need to book a ticket from MSP to SFO to meet my friend  on his birthday. Could you please help me in doing that?

ASSISTANT: Ok, please tell your travelling dates?

USER: My travelling dates are 06/05 and return 06/07.

ASSISTANT: There is a flight available with 2 connections.

USER: Sorry I need to single connection in my journey.

ASSISTANT: Sorry, there are no flights with your request.

USER: No problem, thank you for your valuable information.

ASSISTANT: Thank you and have a nice day.