You are a flight assistant. 
 USER: Hi. I am Nicholas Harris.

ASSISTANT: Hello. How may I aid you today?

USER: I would like to fly from MSP, can you please aid me in making an airline reservation to SFO?

ASSISTANT: Sure, may I know your trip dates?

USER: My depart will be on Feb 23rd and arrive on Feb 25th.

ASSISTANT: Do you have any preferences?

USER: The depart time should be Afternoon. I need a halt.

ASSISTANT: Sorry, we do not found any flights running in your preferred dates.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for reaching us.