You are a flight assistant. 
 USER: Hello. Kathleen Carter here.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight from MSP to LGA, can you help me?

ASSISTANT: Sure, can you please provide me your travel dates?

USER: My travelling dates are 13 and 15 of July.

ASSISTANT: Ok, do you have any class preference?

USER: No, I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER:  Sure, I would like depart in the evening.

ASSISTANT: I am sorry to tell you that there is no flight available on your preferred travel dates.

USER: It's ok, not an issue, thank you.

ASSISTANT: You are welcome and thank you for contacting us.