You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What help is required from my end?

USER: I am Nicholas Hill, can you help me in search a flight from DEN?

ASSISTANT: Sure Hill, can I know the travel dates please?

USER: My preferable dates, starts on 06/28 and return on 06/30.

ASSISTANT: Can you provide the destination airport code please?

USER: I would like to go to MSP to meet my friends.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time. I want 1 connection limit.

ASSISTANT: Sorry, there are no flights with connection 1.

USER: That is fine, not an issue. Thank you for your help.

ASSISTANT: You are welcome, visit us again.