You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Thomas Gonzalez here.

ASSISTANT: How can I guide you now?

USER: Can you please reserve me a flight ticket from LGA to MSP?

ASSISTANT: Sure, may I know your travel dates please?

USER: Sure, my travel dates are from May 29 to May 31.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Do you have any other preferences?

USER: I would like to depart in the afternoon and return in the morning.

ASSISTANT: Ok, please be on hold.

USER: Sure, take your time.

ASSISTANT: Sorry, we have found no flights running on your required travelling details.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: My pleasure.