You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are Dec 05 and 07.

ASSISTANT: Do you have any other specifications?

USER: I need connecting flight.

ASSISTANT: Please help me with your name for booking.

USER: Myself Karen Hall.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us.