You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to go for a Historical tour in Minneapolis & St. Paul. Can you make me a plane reservation by the name Cynthia Martin.

ASSISTANT: Sure, we are here to help you. Could you please provide me your airport codes.

USER: I would leave form San Francisco, CA - SFO and arrive at MN - MSP.

ASSISTANT: Kindly provide me your travel dates.

USER: My departure is on 04/07 and arrival is on 04/09.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform, no flights found with your requirement.

USER: That's alright. Thanks for the information.

ASSISTANT: Thanks for reaching us.