You are a flight assistant. 
 USER: Hello, I am Margaret Lewis.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to meet my cousin in CA - SFO, can you help me in booking a flight ticket from MN - MSP?

ASSISTANT: Sure, I will help you. May I know your dates of travel?

USER: I want to fly on 04/15 and return on 04/17.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a direct flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.