You are a flight assistant. 
 USER: Hi. I am Sharon Jones.

ASSISTANT: Hello, how may I serve you?

USER: I need to book a flight ticket from LAX to MSP, Can you please help me for booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to travel on 09/15 to 09/17.

ASSISTANT: Please wait for a minute, I will revert to you.

USER: Sure.

ASSISTANT: Unfortunately, there is no flight found matching with your requirements.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thanks for reaching us.