You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Samuel Martinez. I need to travel Phoenix to submit my report in my new branch office, can you help me to book a flight ticket from MSP to JFK?

ASSISTANT: May I know your desired travel dates please?

USER: My trip dates are 01/05 to 01/07.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for opting us.